Answers
The two properties are used to identify clouds are atmospheric height and how they look like.
Explain about the clouds and its formations?Often, factors like a cloud's height in the skies, texture, and the kind of "weather" it produces or doesn't generate are used to classify and identify it.
Cirrus clouds have a delicate, wispy appearance that frequently resembles "hair." They are usually white in hue and contain ice crystals which occasionally give the sky unusual colors.The others are more thicker and appear more gray, altocumulus clouds typically have a more white and patchy appearance. With Nimbostratus as an exception, which is generally seen as being more "low-level" due to its falling base.The lowest, most diversely characterized clouds in the sky. These clouds can extend quite far into the troposphere vertically and are likewise made of water droplets.Thus, the two properties are used to identify clouds are atmospheric height and how they look like.
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Related Questions
what would happen to the temperature and physical state of 1 mol of liquid diethyl ether at its standard boiling point if its molar enthalpy of vaporization (26.52 kj/mol) were added?
Answers
When 1 mol of liquid diethyl ether at its standard boiling point is given an enthalpy of vaporization of 26.52 kJ/mol, the temperature of the liquid will remain the same, but the physical state of the diethyl ether will change from liquid to vapor.
The enthalpy of vaporization is the energy required to convert one mole of a liquid into a vapor and is also known as the heat of vaporization. When the enthalpy of vaporization is applied to liquid diethyl ether, it causes the liquid to become a vapor.
In order to understand this concept, it is helpful to look at the thermodynamic process of vaporization, or boiling. Vaporization involves the conversion of liquid to a gas at the standard boiling point by the absorption of energy, which is provided in the form of heat.
During vaporization, the liquid molecules move quickly and gain enough energy to escape the surface of the liquid and form a gas. This process is also reversible, so as the vaporized molecules lose energy, they can condense back into the liquid state.
Therefore, the temperature remains the same, but the liquid is converted to a vapor. This vapor can eventually condense back into liquid form, depending on the temperature and pressure of the system.
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A reaction vessel contains 6. 300 g of CO and 6. 300 g of O2. How many grams of CO2 could be produced according to the following reaction?
Answers
The grams of CO2 that could have been produced according to the reaction is 21.2 grams.
We apply the stoichiometric principles to calculate the potential yield of a particular mixture of chemicals. To determine the mole to mole correlations between the chemical species in stoichiometry, we apply the balanced chemical equation. The theoretical yield is the highest yield that can be estimated from the starting reagent quantities. The amount collected is known as the actual yield, and frequently we discover that the theoretical yield is not achieved.
The balanced chemical equation is:
2CO + O₂ → 2CO₂
Molar Mass CO = 28.0 grams per mole
Molar Mass O2 = 32.0 grams per mole
Molar Mass CO2 = 44.0 grams per mole
We determine the maximum quantity of carbon dioxide that may be produced from each reagent based on their initial concentrations. This assumes that there is an excess of the other reagent.
13.5 g CO x 1 mol CO / 28 g CO x 2 mol CO₂ / 2 mol CO x 44 g CO₂
= 21.2 g CO₂
Therefore, grams of CO2 could be produced is 21.2 g.
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Complete question:
A reaction vessel contains 6. 300 g of CO and 6. 300 g of O2. How many grams of CO2 could be produced according to the following reaction?
2CO + O₂ ----> 2CO₂
Which of these compounds would you name using molecular compound rules?
options in picture
Answers
KI: This is an ionic compound made of the nonmetal iodine and the metal potassium (K) (I). Phosphorus (P) and oxygen (O) combine to generate the chemical compound P2O5 (O).
What is the scientific term for P2O5?White, microcrystalline, light-weight phosphorus pentoxide is created when elemental phosphorus burns in an atmosphere with too much oxygen. The anhydride of orthophosphoric acid, H3PO4, is phosphorus pentoxide.
What guidelines govern the naming of molecules?A molecular molecule typically consists of two or more nonmetal parts. Molecular compounds are termed using the stem of the first element's name plus the suffix -ide, followed by the second element. The number of atoms in a molecule is specified using numerical prefixes.
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True or False? If the statement is true, write true.
If it is false, write false, and change the sentence to
make it true!
We use the ideal gas law when a gas changes.
Answers
False.
We use the ideal gas law to describe the behavior of gases under specific conditions, such as constant temperature, pressure, and volume. It is a mathematical formula that relates the pressure, volume, amount, and temperature of a gas.
What is Ideal Gas Law?
The ideal gas law is a mathematical equation that describes the behavior of an ideal gas under specific conditions. It relates the pressure (P), volume (V), temperature (T), and amount of substance (n) of an ideal gas, using the following equation:
PV = nRT
where R is the universal gas constant, which has a value of 8.31 J/(mol·K) in SI units.
The ideal gas law assumes that the gas molecules are point masses that do not interact with each other except through perfectly elastic collisions, and that the gas occupies a large volume compared to the size of the molecules. In reality, most gases do not behave exactly like ideal gases, especially at high pressures or low temperatures.
However, when a gas changes, we may need to use different laws or equations to describe the behavior of the gas, depending on the conditions and factors involved. For example, if the volume of a gas changes at a constant temperature and pressure, we would use Boyle's Law, which describes the relationship between volume and pressure.
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Many common things you use regularly are colloids except.......
-milk
-hair
-spray
-paint
-alloy
Answers
Many common things you use regularly are colloids except alloy.
What is an alloy?An alloy is a solid solution composed of two or more metals or a metal and a non-metal element. In contrast, colloids are mixtures where one substance is dispersed throughout another substance in the form of small particles that do not settle out.
What are colloids?Colloids are mixtures composed of particles that are intermediate in size between those of a solution and a suspension. These particles are typically between 1 and 1000 nanometers in diameter, which is too small to be seen with the eye, but large enough to scatter light, giving the mixture a cloudy or opaque appearance.
Milk, hair, spray, and paint are all examples of colloids.
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The graphic below is based on the Bohr model of an atom in the ground state.
12 n
12 p
OB. The atom is in group 1 and period 2.
OC. The atom is in group 2 and period 3.
OD. The atom is in group 2 and period 4.
282
Which most likely identifies the location of the element on the modern periodic table?
O A. The atom is in group 1 and period 1.
Answers
Answer:
Explanation:
Based on the information given in the graphic, we can determine that the atom has 12 protons and 12 neutrons, which would give it an atomic mass of 24. However, the graphic does not provide information about the number of electrons, which would be necessary to determine the element's location on the modern periodic table.
Therefore, none of the answer choices provided can be determined from the information given. We cannot identify the group or period of the element on the modern periodic table based solely on the number of protons and neutrons in the atom.
Match
1)solutions
2)colloids
3)suspensions
smaller than 1 nm
larger than 1000 nm
1 nm to 1000 nm
Answers
Answer:
Solutions - smaller than 1 nm
Colloids - 1 nm to 1000 nm
Suspensions - larger than 1000 nm
do girls or boys have faster reaction times?
Answers
Answer:
boys have faster reaction than girls
Explanation:
that because the Y chromosome do not have the greater ability to resist reaction while the X does
The atomic number is equal to the number of:
protons
electrons
neutrons
protons and neutrons
Answers
The atomic number is equal to the number of protons in an atom.
A solution contains 0. 27 M Pb2+ and 0. 50 M Al3+. Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2. The Ksp values for Al(OH)3 and Pb(OH)2 can be found in this table.
minimum pH:
maxiumum pH:
Answers
The pH range between 3.2 and 9.4 will precipitate aluminum hydroxide but not lead (II) hydroxide. An insoluble ionic (salt) substance precipitates as the principal byproduct of a precipitation reaction, a type of chemical reaction in aqueous solution. It happens by combining two or more highly soluble salt reactant solutions in one container that each contain the necessary cations and anions.
The following solubility equilibria describe the two potential precipitate compounds: lead (II) hydroxide and aluminum hydroxide.
[tex]Pb(OH)_{2} (s) =Pb{2} + (aq) + OH{-} (aq)\\k_{spl} = 1.43(10)^{-20} =[Pb^{2+} ][OH^{-2} \\Al(OH)_{3} = Alx^{3} +(aq)+3OH^{-} (aq)[/tex]
In order to precipitate each chemical, we first determine the minimal hydroxide ion molarity necessary based on the supplied cation concentrations:
[tex]1.43(10){} ^{-10} =(0.27)(OH}^{-} )^{2} _{1}[/tex]
[tex]OH^{-} _{1} =2.39(10)^{-5} M\\1.90(10)^{-33} =(0.50M)(OH^{-} )^{3} _{2} \\[/tex]
[tex](OH^{-} )_{2} =1.56(10)^{-11} M[/tex]
[tex]1.43(10)^{-10} =(0.27)(OH)^{2} _{1} \\(OH^{-}) _{1} =2.39(10)^{-5} M= 2.4(10)^{-5} \\(OH^{-} )_{2} =1.56(10^{-11} )M=1.6(10)^{-11}[/tex]
These hydroxide ion molarity numbers line up with specific pH numbers.
[tex]pOH_{1} = -log(OH^{-} )_{1} =4.61\\pH_{1} = 14- pOH_{1} =9.4[/tex]
[tex]pOH_{2} = -log(OH^{-} )_{2} = 10.8\\pH_{2} =14-pOH_{2}=3.2[/tex]
As a result, the pH range between 3.2 and 9.4 will precipitate aluminum hydroxide but not lead (II) hydroxide.
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P_{4}(s) + F_{2}(g) > P*F_{3}(g) calculate the moles of that will be required to produce 27. 5 grams of PF3
Answers
Answer:
Explanation:
moles of what?
if P4= 0.078 moles P4
if F2=0.47 MOLES F2
A microbiologist is preparing a medium on which to culture E. Coli bacteria. She buffers the medium at pH 7. 00 to minimize the effect of acid-producing fermentation. What volumes of equimolar aqueous solutions of K2HPO4 and KH2PO4 must she combine to make 250. 0 mL of the pH 7. 00 buffer?
Answers
The volumes 447.0 mL and 353.0 mL of equimolar aqueous solutions of K2HPO4 and KH2PO4 must she combine to make 250. 0 mL of the pH 7. 00 buffer solution.
A buffer solution is defined as a solution when an acid or a base is in equilibrium with its conjugate base or acid and because of that, when other acid or base is added to the solution, the pH remains almost unaltered. It is a water solvent based solution which consists of a mixture containing a weak acid and the conjugate base of the weak acid or a weak base and the conjugate acid of the weak base. Buffer resist a change in pH upon dilution or upon the addition of small amounts of acid or alkali to them.
The pH of a buffer can be calculated by the expression of Henderson–Hassel Balch equation,
pH = pKa + log[A-]/[HA]
Here, pKa is the equilibrium constant of the acid and A- is the conjugate base and [HA] is the acid.
(n1/V1)/(n2/V2) = 0.79
(n1/V1)*(V2/n2) = 0.79
Because n1 = n2,
V2/V1 = 0.79
V2 = 0.79V1
The total volume must be 800.0 mL, so
V1 + V2 = 800.0
V1 + 0.79V1 = 800.0
1.79V1 = 800.0
V1 = 447.0 mL
V2 = 353.0 mL
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Two solutions are mixed and react t produce the solid precipitate AgCl. The chemical reaction is shown by the balanced chemical equation.
AgNO2 + Na Cl ----> AgCl + Na NO2
What happens to the total mass as the reaction takes place?
Two solutions are mixed and react t produce the solid precipitate AgCl. The chemical reaction is shown by the balanced chemical equation.
AgNO2 + Na Cl ----> AgCl + Na NO2
What happens to the total mass as the reaction takes place?
A.The mass decreases.
B.The mass first decreases and then increases.
C.The mass remains constant.
D.The mass increases.
Answers
Answer:
The correct answer is C. The mass remains constant.
Explanation:
The Law of Conservation of Mass states that the total mass of a closed system remains constant during a chemical reaction. This means that the mass of the reactants before the reaction is equal to the mass of the products after the reaction.
In the given chemical reaction, silver nitrate (AgNO3) reacts with sodium chloride (NaCl) to produce silver chloride (AgCl) and sodium nitrate (NaNO3). Since the reaction involves only the rearrangement of atoms and not the creation or destruction of atoms, the total mass of the reactants must be equal to the total mass of the products.
The correct answer is C. The mass remains constant.
Single Replacement Reactions
Calcium + Lead (II) nitrate →
Answers
Answer:
Ca(NO3) + Pb
Explanation:
that,s the proper equation
To earn full credit for your answers, you must show the appropriate formula, the correct substitutions , and your answer including the correct units
Star City has 4.2 x 106 people has 1.9 x103 deaths. What is the death rate?
Answers
The death rate in Star City is 0.452 deaths per 1000 people.
What is the death rate?
The death rate is the number of deaths per unit of population. It is calculated by dividing the number of deaths by the total population and multiplying the result by 1000 to express it per 1000 people.
The formula for death rate is:
Death rate = (Number of deaths / Total population) x 1000
Substituting the given values:
Death rate = (1.9 x 10³ / 4.2 x 10⁶) x 1000
Simplifying the expression:
Death rate = 0.000452 x 1000
Death rate = 0.452 deaths per 1000 people
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How many moles of water, H2O
H
2
O
, are produced from 2. 49×10−2 mole
m
o
l
e
of butane, C4H10
C
4
H
10
?
Answers
Answer:
0.124 moles of water (2.24 grams)Explanation:
The moles of water produced by the combustion of butane requires 3 steps. The first is the primary challenge of this question:
1) Balance the Reaction
Write the reaction using just chemical formulas. We know that a combustion reaction produces carbon dioxide and water, so let's start there:
C4H10 + O2 = CO2 + H2O
This looks correct - there are no elements that are just on one side (unaccounted for). Now we need to balance the reaction. Use pencil and paper for this step. We can see that although butane consists of only two elements, carbon and oxygen, there are a lot of them. It is often a good idea to find the most complex molecule and assign it a coefficient of 1 (in pencil), just to get started.
a) 1C4H10 + O2 = CO2 + H2O
Now distribute the atoms from butane to the products by assigning them coefficients:
b) 1C4H10 + O2 = 4CO2 + H2O
The 4 carbons require that we add a coefficient of 4 to CO2, since it is the only possible destination for the carbons.
The 10 hydrogens must all go to the H2O, so add a 5 to the H2O:
c) 1C4H10 + O2 = 4CO2 + 5H2O
Now that the carbons and hydrogens are accounted for, work on the oxygens. As written in c, there are 2 O atoms from the reactants, and (8+5) = 13 O atoms from the products. This is an annoying outcome: There will always be an even number of O atoms coming from the O2. so there is no whole number we can add as the O2 coefficient that will produce an odd number of O atoms. But an easy resolution is, temporarily, use a fraction for the number of O2 molecules. If we use a coefficient of 6.5 for the O2, the equation will balance.
d) 1C4H10 + 6.5O2 = 4CO2 + 5H2O
But we can't have 1/2 of a molecule, so let's multiply all coefficents by 2, so that they are all whole numbers:
e) 2C4H10 + 13O2 = 8CO2 + 10H2O
That's why we use a pencil.
2. Determine the molar ratio of the water to the butane
The important thing to note is that the balanced equation tells us that we should expect 10 moles of H2O for every 2 moles of C4H10, a molar ratio of 5/1 moles water/mole butane. This is a conversion factor: (5 moles H2O)/(1 mole C4H10)
3. Find the moles of water produced
It took a while to get to this point, "but the end is near." We are given 2.49x10^-2 moles of butane. Simply multiply that times the molar ratio we derived above:
(2.49x10^-2 moles butane)*[(5 moles water)/(1 mole butane)] = 0.124 moles of waterA lot of work for 2.24 grams of water. I suggest finding a water fountain instead.
Gas A is 0.75times fast as gas B. The mass of gas B is 32grams . What is the mass of gas B?
Answers
The mass of gas B is 32 grams .
The answer is next to the question. Do you mean gas A?
The molecular formula for glucose is c6h12o6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?
Answers
This polysaccharide has the molecular formula C₆₀H₁₀₂O.
When ten glucose molecules are linked together by dehydration reactions, a polymer is formed called a polysaccharide. The molecular formula of this polysaccharide can be derived by adding the molecular formula of ten glucose molecules and subtracting the number of water molecules released during the polymerization process.
The molecular formula of one glucose molecule is C₆H₁₂O₆. When ten glucose molecules are linked together, ten water molecules are released, one for each bond formed. Therefore, the molecular formula for the polymer made by linking ten glucose molecules together by dehydration reactions would be:
(C₆H₁₂O₆)10 - (H₂O)10 = C₆₀H₁₀₂O₅₁
So the molecular formula for this polysaccharide is C₆₀H₁₀₂O₅₁. This type of polysaccharide is commonly found in nature, including starch in plants and glycogen in animals.
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Why can a Pb sample accommodate more Sn atoms in its microstructure compared to how many atoms of Pb a sample of Sn of the same size can accommodate?
Answers
Pb's crystal structure is more accommodating to solute atoms, allowing it to accommodate more Sn atoms. Sn atoms tend to cluster together and form distinct regions in a Pb-Sn alloy.
The ability of a solid solution to accommodate atoms of another element depends on the atomic size, crystal structure, and electronic configuration of both the solvent (major component) and the solute (minor component) atoms.
In the case of lead (Pb) and tin (Sn), they are both metallic elements with similar crystal structures and atomic radii. However, Pb has a more complex crystal structure than Sn, which allows for more spaces (interstices) for solute atoms to occupy. Additionally, Sn atoms have a greater atomic mass than Pb atoms, which means they have a stronger tendency to cluster together and form distinct regions within the microstructure.
Therefore, a sample of Pb can accommodate more Sn atoms in its microstructure compared to how many atoms of Pb a sample of Sn of the same size can accommodate because the crystal structure of Pb is more accommodating to solute atoms and the Sn atoms are more likely to cluster together and form distinct regions within the microstructure of a Pb-Sn alloy.
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Explain the difference between the three of levers
Answers
Depending on where a force, fulcrum, and load are, the three classes differ from one another. The centre of gravity of a first-class lever is situated here, halfway between both the input force or the output force.
Name the three lever classes and describe each.Depending upon where the power supply, fulcrum, or load are located, there are three different kinds of levers. The fulcrum of a class 1 lever is situated between both the input force or the load. The load is situated between both the fulcrum and the input force of a class 2 lever. Levers with the input force located between the fulcrum as well as the load are classified as class 3 levers.
What is third class lever known as?These are the types of levers where the weight is on one end, the fulcrum is in the middle, as well as the force is applied. The arrangement is shown as a weight-force-fulcrum. In this situation, we need to exert greater force in order to move the weight.
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Can someone please help with this chemistry question
Answers
Molar mass of carbon dioxide is 44.01 g/mol. Thus, 9.2 moles of carbon dioxide will have a mass of 408.19 g.
What is carbon dioxide?Carbon dioxide (CO2) is a colorless, odorless gas that is naturally found in the Earth's atmosphere. It is one of the most important greenhouse gases and is the primary driver of global warming. Carbon dioxide is produced naturally by the respiration of living organisms, such as humans and animals, and by the decomposition of organic matter. It is also produced by burning fossil fuels and other industrial processes. Carbon dioxide is used in photosynthesis by plants, which convert it into oxygen and carbohydrates, providing the oxygen humans and animals need to breathe.
Molar mass of methane is 16.04 g/mol. Therefore, 408.19 g of carbon dioxide is equivalent to 25.5 moles of methane. This means that 25.5 moles of methane will have a mass of 408.19 g. Therefore, the answer is 408 g.
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The reaction between copper oxide and carbon can be used to make copper metal.
The equation for this reaction is:
2CuO(s) + C(s) → 2Cu(s) + CO2(g)
A mixture of 4.0 g of CuO and 1.2 g of carbon is heated.
Calculate the number of moles in 4.0 g of CuO
Answers
Answer:
The molar mass of CuO is 63.55 g/mol for copper and 15.9994 g/mol for oxygen, giving a total molar mass of 79.55 g/mol.
To calculate the number of moles in 4.0 g of CuO, we can use the formula:
moles = mass / molar mass
moles of CuO = 4.0 g / 79.55 g/mol
moles of CuO = 0.0502 mol
Therefore, there are 0.0502 moles in 4.0 g of CuO.
Which of the following is a colloid?
-water
-milk
-soil
-concrete
Answers
Explanation:
Water please make me brainalist and keep smiling dudeExplanation - any substance consisting of particles substantially larger than atoms or ordinary molecules but too small to be visible to the unaided eye
How many moles of H₂O can be formed from 1. 84 × 10²³ molecules of NH₃ from the following equation?
4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g)
Answers
0.459 moles of H₂O can be formed from 1.84 x 10²³ molecules of NH₃.
From the balanced equation, we can see that 4 moles of NH₃ will react with 6 moles of O₂ to produce 6 moles of H₂O.
So, the ratio of moles of NH₃ to moles of H₂O is 4:6, or 2:3
Using the coefficients in the balanced chemical equation, you can calculate the moles of H₂O that can be formed from 1.84 x 10²³ molecules of NH₃.
Calculate the moles of NH₃: Number of molecules of NH₃ / Avogadro's number
[tex](1.84 * 10^{23} / 6.022 * 10^{23} ) = 0.306 \ moles\ NH3[/tex]
Calculate the moles of H₂O formed:
0.306 moles NH₃ x (6 moles H₂O/4 moles NH₃) = 0.459 moles H₂O
[tex]0.306 * (6/4) \ = 0.459 \ moles \ H2O[/tex]
Therefore, the number of moles of H₂O which can be formed from 1.84 x 10²³ molecules of NH₃ is 0.459
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please answer these two questions quickly, i wasn’t here when we learnt this.
Answers
Each atom on both sides of a balanced chemical equation has the same number and type. A balanced equation's coefficients must have the simplest whole number ratio. In chemical processes, mass is always preserved.
What is an example of a balanced chemical equation?Consider the following reaction: 2Mg(s)+O2(g)2MgO(g), Two atoms of magnesium and oxygen are present on both the reactant and product sides of this reaction. As a result of obeying the rule of conservation of mass, the chemical reaction is a balanced chemical equation.
A balanced chemical equation is one in which the number of each type of atom on both sides of the equation is equal. Subscripts are elements in the chemical formulae of reactants and products that denote the number of atoms of the previous element.
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100 POINTS PLS HELP
Which of the following are part of the equation to calculate the percent yield? Select all that apply.
A actual yield
B limiting reactant
C theoretical yield
D excess reactant
Answers
Answer:
Actual yield and theoretical yield
Identify the layer labeled, 2, and explain the impact if this layer was removed from the sun.
Responses:
Core; the sun will not produce light and heat if removed due to no nuclear fusion.
StartFragment, StartFragment, Core; the sun will not produce light and heat if removed due to no nuclear fusion., ,
Radiation zone; energy will not be carried into the convection currents and thus no light and heat will reach Earth.
StartFragment, Radiation zone; energy will not be carried into the convection currents and thus no light and heat will reach Earth.,
Radiation zone; the sun will not produce light and heat if removed due to no nuclear fusion.
StartFragment, Radiation zone; the sun will not produce light and heat if removed due to no nuclear fusion.,
Core; energy will not be carried into the convection currents and thus no light and heat will reach Earth.
Answers
The crust, mantle, and core of the earth are its three layers. Both the heat and the light from the Sun come from the a nuclear fusion inside the Sun's core. Proton fusion is the part of fusion takes place inside Sun.
What are the Sun's three atmospheric layers?These are, starting from the outside: the heated, outermost layer of the atmosphere is called the corona. between the photosphere and the corona is a transparent layer known as the chromosphere. This visible "surface" of a Sun is called the photosphere.
What are the layers of the Sun, and what purpose do they fulfil?The 3 major layers that make the environment are the convective zone, the radiative zone, and the core. They make up the Sun's interior. The region of the Sun that is closest to it's own centre is called the core, which is where that hydrogen fuses with helium to form helium.
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Which of the following organisms typically have more than one form of east of each gene from can mask the appearance another form that form is considered _____ the other form
Answers
Which of the following organisms typically have more than one form of east of each gene from can mask the appearance another form that form is considered dominant the other form,
Are both of an organism's alleles identical when it possesses homozygosity for a given gene?Each gene in each of us has two alleles, or variations. If you inherit two identical copies of a gene, you are said to be homozygous for that gene. In contrast, a genotype with distinct alleles is called a heterozygous genotype. Individuals with recessive characteristics, such as red hair or blue eyes, are always homozygous for that gene.
if a trait has two equally expressed alleles and none can prevent the expression of the other allele This is an illustration of codominance, a genetic phenomena in which the expression of two alleles (differing variants of the same gene) within an organism is equal. The features linked to each allele are therefore displayed concurrently.
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1) All of the following are homogeneous mixtures except.
* tomato soup.
* a sugar-water solution.
* gasoline.
* a salt-water solution.
2)If a mixture is cloudy or displays the Tyndall effect, then it is either a
* colloid or a suspension
* colloid or a solution
* suspension or a solution
* element or compound.
Answers
Answer:
1. Gasoline is not a homogeneous mixture; it is a complex mixture of different hydrocarbons and additives.
2. If a mixture is cloudy or displays the Tyndall effect, then it is either a colloid or a suspension.
Calculate the mass of naphthalene required to react stoichiometrically with the moles of 2-bromo-2-methylpropane that you have placed in the flask. Dispense that quantity of naphthalene into the weighing dish. There is some imprecision in delivering the powder onto the weigh boat, but a mass within 0. 040 g of the calculated stoichiometric quantity will be sufficient for this experiment. Note that you can use a combination of the 1 g and the 0. 1 g buttons to add the required mass. If you overshoot the goal, you can dis
Answers
We will need 12.817 grams of naphthalene to react stoichiometrically with 0.1 moles of 2-bromo-2-methylpropane. As mentioned in the question, a mass within 0.040 g of the calculated stoichiometric quantity will be sufficient for the experiment. So, a mass of naphthalene between 12.777 g and 12.857 g will be appropriate.
2-bromo-2-methylpropane + naphthalene → product(s)
To calculate the mass of naphthalene required for the reaction, we need to know the mole ratio of 2-bromo-2-methylpropane to naphthalene in the balanced equation.
From the balanced equation, we can see that the mole ratio is 1:1.
This means that one mole of 2-bromo-2-methylpropane will react with one mole of naphthalene.
First, we need to determine the number of moles of 2-bromo-2-methylpropane that we have in the flask.
Let's assume we have 0.1 moles of 2-bromo-2-methylpropane.
To react stoichiometrically, we will need 0.1 moles of naphthalene.
The molar mass of naphthalene is 128.17 g/mol.
To calculate the mass of naphthalene required, we can use the following equation:
mass = moles x molar mass
mass = 0.1 moles x 128.17 g/mol
mass = 12.817 g
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CORRECT QUESTION WOULD BE
Calculate the mass of naphthalene required to react stoichiometrically with the moles of 2-bromo-2-methylpropane that you have placed in the flask. Dispense that quantity of naphthalene into the weighing dish. There is some imprecision in delivering the powder onto the weigh boat, but a mass within 0. 040 g of the calculated stoichiometric quantity will be sufficient for this experiment. Note that you can use a combination of the 1 g and the 0. 1 g buttons to add the required mass. If you overshoot the goal, you can displace some of the powder back into the bottle with a spatula.