The absolute pressure (in pa) is 4.0Pa.
The mass of one molecule of air may be computed as
m = Molecular weight / Avogadro’s number
m = 28.97 / 6.023×[tex]10^{23}[/tex]
m = 4.81×[tex]10^{-23}[/tex] g
Then the density of air containing [tex]10^{12}[/tex] molecules, in SI units,
ρ = [tex]10^{12}[/tex] × 4.81×[tex]10^{-23}[/tex] = 4.81×[tex]10^{-5} kg/m^{3}[/tex]
Finally, from the perfect gas law, , at 20°C = 293 K, we obtain the pressure:
p = ρRT
P = 4.81×[tex]10^{-5} kg/m^{3}[/tex]×287×293
p = 4.0Pa
So, the absolute pressure (in pa) is 4.0Pa.
Learn more about pressure here;
https://brainly.com/question/15379358
#SPJ4
Which test tube has the largest amount of precipitate? record the ratio of cuso4 to na2s used. what is the indicated by the maximum amount of particiapation
The third test tube has the largest amount of precipitate. The correct ratio for this reaction is 1:1.
What do you mean by test tube?
Test tubes intended for the general chemical work are usually made of glass, and for its relative resistance to heat. Tubes made from the expansion-resistant glasses, mostly borosilicate glass or fused quartz, can withstand high temperatures up to several hundred degrees Celsius.
Chemistry tubes are available in a multitude of the lengths and widths, typically from 10 to 20 mm wide and 50 to 200 mm long. The top often features a flared lip to aid pouring out contents.
A chemistry test tube typically has flat bottom, a round bottom, or a conical bottom. Some test tubes are made to accept a ground glass stopper or screw cap. They are often provided with small ground glass or white glaze area near the top for labelling with a pencil.
Test tubes are widely used by the chemists to handle chemicals, especially for qualitative experiments and assays. Their spherical bottom and vertical sides reduce mass loss when pouring, make them easier to wash out, and allow convenient monitoring of contents. The long, narrow neck of the test tube slows down the spreading of gases to the environment.
Test tubes are convenient containers for heating the small amounts of liquids or solids with a Bunsen burner or alcohol burner. The tube is usually held by its neck with clamp or tongs. By tilting tube, the bottom can be heated to hundreds of degrees in the flame, while the neck remains relatively cool, possibly allowing vapors to condense on its walls. A boiling tube is large test tube intended specifically for boiling liquids.
In reaction:
CuSO4 + Na2S ⇒ CuS + Na2SO4
Third test tube had largest amount of precipitate.
In third test tube all Cu2+ ion converted into CuS precipitate.
Test Tube Ratio
1 5:1
2 2:1
3 1:1
4 1:2
5 1:5
so, the correct ratio is 1:1.
To know more about precipitate visit: https://brainly.com/question/18109776
#SPJ4
Give the iupac name for the following compound. be sure to answer all parts. ch3ch2con(ch3)ch2ch3
the IUPAC nomenclature name for ch₃ch₂con(ch₃)ch₂ch₃ for five carbon atoms is 2- METH- BUTANE
The International Union of Pure and Applied Chemistry :
The International Union of Pure and Applied Chemistry (IUPAC) is that the world authority on chemical nomenclature, terminology (including the naming of latest elements in the periodic table), standardized methods for measurement, atomic weights and lots of other critically-evaluated data.
What is the IUPAC naming system?
IUPAC nomenclature is predicated on naming a molecule's longest chain of carbons connected by single bonds, whether during a continuous chain or in a ring. All deviations, either multiple bonds or atoms aside from carbon and hydrogen, are indicated by prefixes or suffixes consistent with a specific set of priorities
What is IUPAC and its function?
The International Union of Pure and Applied Chemistry (IUPAC) is that the world authority on chemical nomenclature and terminology, including the naming of latest elements in the periodic table; on standardized methods for measurement; and on atomic weights, and lots of other critically-evaluated data.
Learn more about nomenclature :
brainly.com/question/17194396
#SPJ4
Nuclear fusion reactions inside the cores of stars convert light elements into heavier ones and release enormous amounts of energy. at what point does the process of fusion begin in a star?
In a process known as nucleosynthesis, fusion powers stars and creates nearly all elements. As a main-sequence star, the Sun generates its energy through the nuclear fusion of hydrogen nuclei into helium. Each second, the Sun's core fuses 620 million metric tons of hydrogen and produces 616 million metric tons of helium. The fusion of lighter elements in stars has energy and mass that is always present.
How does the Sun get its energy from nuclear fusion reactions?Nuclear fusion reactions power the Sun and other stars. A fusion reaction occurs when two light nuclei combine to form a single heavier nucleus. Because the total mass of the resulting single nucleus is less than the mass of the two original nuclei, the process releases energy. The remaining mass is converted into energy.
Why is it claimed that nuclear fission in stars releases all elements?The occurrence of nuclear fusion in stars causes energy to be released from the core in the form of heat or light, or sometimes another nucleus. According to this, nuclear fission in stars virtually releases all elements.
Learn more about nuclear fusion here:-
https://brainly.com/question/13090058
#SPJ4
what type of effects would you see take place on the amino acid cysteine when observing its interaction with oxygen?
The -SH is involved in the oxidation and reduction of the amino acid cysteine (sulfhydryl group). By removing two hydrogen atoms, the oxidation of two sulfhydryl groups causes the creation of a disulfide bond.
What is amino acid?
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common. In the genetic code, only 22 alpha amino acids are present.
Alpha-, beta-, gamma-, or delta-amino acids can be categorized according to where the main structural functional groups are located; further classifications relate to polarity, ionization, and the type of side chain group (aliphatic, acyclic, aromatic, containing hydroxyl or sulfur, etc.). Amino acid residues are the second-largest component of human muscles and other tissues, behind water, in the form of proteins. Aside from serving as protein residues, amino acids also take involvement in the transfer of neurotransmitters and biosynthesis. They are believed to be essential to the origin of life on Earth and its ability to survive.
To learn more about disulfide bond click on the link below:
https://brainly.com/question/14446616
#SPJ4
28.5 g of iron shot is added to a graduated cylinder containing 45.5 ml of water. the water level rises to the 49.1 ml mark. what is the density of iron? blank1 - numeric answer
When 28.5 g of iron shot is added to a graduated cyclinder containing 45.5 ml of water, the water level rises to 49.9 ml. The density of iron would be 7.92 g/ml approax 8 g/ml.
As we already know that density is defined as the mass divided by volume (Mass/ volume).
It is denoted by ρ.
The unit of density is g/ml
Now the Question is
Mass of iron shot = 28.5 g
Density of water at normal = 45.5 ml
Density of water when rises = 49.1 ml
ρ, density = Mass / Volume
= 28.5 g / (49.10 −45.50)mL
= 7.92 g / mL
Approximately 8 g/ml
Hence, the density of iron is 7.92 g/ml approax 8 g/ml.
To know more about density here :
https://brainly.com/question/15164682?referrer=searchResults
#SPJ4
How many moles of Zn are in 0.535 g Zn?
Answer:
The amount of zinc for a given amount are 0.0082 moles.
Explanation:
Answer:
No. of moles = 0.0082
Explanation:
To calculate the number of moles of a substance given its mass, we can use the following formula:
[tex]\boxed{\mathrm{No. \ of \ moles = \frac{Mass}{Molar \ mass}}}[/tex]
The molar mass of zinc is 65 g/mol. The given mass of Zn in this question is 0.535 g. Using this information and the formula above, we can calculate the number of moles of Zn:
No. of moles = [tex]\mathrm{\frac{0.535 \ g}{65 \ g/mol}}[/tex]
= 0.0082 mol
Therefore, there are 0.0082 mol Zn in 0.535 g of Zn.
Write the net ionic equation for the precipitation reaction that occurs when aqueous magnesium chloride is mixed with aqueous sodium phosphate. Be sure to include the physical states of all species.
Ionic equation is
[tex]Na^{+} _{3} }[/tex](aq) + 2[tex]PO_{4} ^{-3}[/tex](aq) + 3[tex]Mg^{2+}[/tex](aq) + 3[tex]Cl_{2} ^{-}[/tex]-----> [tex]Mg_{3}(PO_{4} )_{2}[/tex]((s) + 3[tex]Na^{+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex](aq)
Here the reaction of aqueous magnesium chloride is mixed with aqueous sodium phosphate.
i.e., Mg[tex]Cl_{2}[/tex] react with [tex]Na_{3}PO_{4}[/tex]
Here the reaction is the replacement reaction, so when both magnesium chloride reacts with sodium phosphate it forms magnesium phosphate and sodium chloride.
3Mg[tex]Cl_{2}[/tex] (aq) + 2[tex]Na_{3} PO_{4}[/tex] (aq) -------> [tex]Mg_{3} (PO_{4} )_{2}[/tex](s) + 6NaCl (aq)
And the ionic equation is:
[tex]Na^{+}_{3} }[/tex] (aq) + 2[tex]PO^{3-} _{4}[/tex] (aq) + 3[tex]Mg^{2+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex] (aq)-------> [tex]Mg_{3} (POx_{4} )_{2}[/tex](s) + 3[tex]Na^{+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex] (aq)
To know more about the ionic equation refer to the link given below:
brainly.com/question/19705645
#SPJ4
Why can't an atom's electrons ever be located between orbits?
Observation
Aqueous
sodium hydroxide
was added dropwise and then in
excess.
A white precipitate is formed which is soluble in excess of sodium hydroxide.
Sodium hydroxide is primary in nature. It reacts with steel chlorides and forms metal hydroxides as goods. we can stumble on the formed steel hydroxide within the form of a precipitate. by way of including an excess quantity of sodium hydroxide the shaped steel hydroxide precipitate goes too soluble. when an excess of sodium hydroxide is introduced to guide nitrate, sodium plumbite is shaped which gives a colourless solution.
Sodium hydroxide solution seems like a drab liquid. extra dense than water. touch may also severely worsen skin, eyes, and mucous membranes. while lead nitrate solution is reacted with excess sodium hydroxide solution it offers a clean solution via forming lead hydroxide which is colourless in nature. while sodium hydroxide is brought drop sensible till in extra to a solution of zinc sulphate it's far found that white precipitate is shaped that's soluble in excess of sodium hydroxide.
Learn more about Sodium hydroxide here:-https://brainly.com/question/13041783
#SPJ9
which compound(s) will not form a yellow precipitate when treated with excess iodine in the presence of naoh? select the unreactive structure(s):
Iodoform reaction is the process of heating a chemical with an alkaline solution of iodine to produce a yellow precipitate. This test yields no results for methyl alcohol.
What is an alkaline solution?An alkaline solution is one that contains a soluble base and has a pH value greater than 7. Like NaOH. Additionally, it might be a base and water mixture. Numerous industrial applications exist for alkaline solutions.
Sodium hydroxide, potassium hydroxide, magnesium hydroxide, and calcium carbonate are a few examples of alkaline solutions. There are several uses for each of these solutions in various sectors.
The bottom line is that all you have to do to create an alkaline solution for a straightforward science experiment is mix baking soda and water. Baking soda should be measured. Your solution will get more alkaline as you add more baking soda.
To learn more about alkaline solution from the given link:
brainly.com/question/1381817
#SPJ4
4.2 Recent research has developed a new type of substance, ionic liquids.
lonic liquids have melting points at close to or below room temperature.
lonic liquids are used in batteries as they conduct electricity.
Explain why ionic liquids are used in batteries but solid ionic compounds are not.
[3 marks]
Ions in solid ionic compounds are not free to move, so they lack electrical conductivity. While liquid compound have excellent electrochemical stability and are inflammable-free.
How ionic liquid differs from ionic solid?Ionic liquids differ from solid ionic compounds in their characteristics. They have low melting points, for instance. Low is generally defined as 100 °C or 212 °F (this number may look familiar because it is the boiling point for water, where it turns from a liquid to a gas).
One of the most significant advantages of ionic liquids is their lack of volatility, which results in significantly lower toxicity when compared to low-boiling-point solvents. Because sudden pressure surges are not possible, ionic liquids can also result in safer microwave synthesis techniques.
To know more about volatility :
https://brainly.com/question/1603761
#SPJ9
true or false
The mass number of an atom is equal to the total number of
protons and neutrons.
Answer:
True
Explanation:
I'm 90% sure it's true
complete the electron‑pushing mechanism for the given base‑promoted hydrolysis of an amide. add atoms, bonds, nonbonding electron pairs (lone pairs), charges, and curved arrows where indicated
When a base is present, the addition of water to an aldehyde causes the following reaction:
The hydroxide ion functions as a nucleophile in the first phase of the mechanism by being able to donate a single pair of electrons to the carbon atom of the carbonyl bond. Upon addition, an alkoxide is created. Water then protonates the alkoxide, regenerating a hydroxide ion and a primary gem-diol. When two neighboring alkyl groups are linked to a carbon atom, the result is a secondary gem-diol. This would result from the substrate molecule was ketone. When an alcohol and an aldehyde combine to generate a new compound, a hemiacetal is created. This compound has a carbon atom attached to both an ether and hydroxyl group. A carbon atom that is joined to two ether groups and comes from an aldehyde-reacting species is known as an acetal group.
Learn more about Aldehyde here-
https://brainly.com/question/17101347
#SPJ4
What is the sum of squares for the group that didn't get treatment? report your answer to two decimal places (e.g. 39.87)
Sum of squares for the group that didn't get treatment is 228.333. Reporting the answer to two decimal is 228.33.
What is a decimal?A decimal is a number that consists of a whole and fractional part. Decimal numbers lie between the integers and represent the numerical value for quantities that are whole plus some part of a whole.
We get the decimals when we break a whole into smaller parts. A decimal number then has the two components: a whole number part and fractional part. The decimal place value system for whole part of a decimal number is the same as the whole number value system. However, we get fractional part of the decimal number as we move toward the right after the decimal point.
Decimals are a set of numbers lying between the integers on a number line. They are just the another way to represent fractions in mathematics. With the help of the decimals, we can write more precise values of measurable quantities like length, weight, distance, money, etc.
The numbers to the left of decimal point are the integers or whole numbers and the numbers to the right of the decimal point are decimal fractions. If we go right from the ones place, the next place will be (1/10) times smaller, which will be (1/10)th or tenth place value.
Sum of squares for the non-treated group = 13700 seconds
=[tex]\frac{13700}{60}[/tex]
= 228.333 minutes
To know more about fraction visit: https://brainly.com/question/10354322
#SPJ4
The complete question is:
"Assume you are interested in evaluating the effectiveness of a training program designed to decrease the time required to complete a skilled motor task. Seventeen subjects are randomly assigned to one condition or another: Ten subjects are randomly assigned to receive the training program. A second group of 7 subjects receives no training. All subjects then perform the motor task. Test whether training had any effect on the time (in seconds) required to complete the task using a two-tailed t-test (α = .05). Descriptive statistics for the time required to complete the task (in seconds) are presented below for each group.
Trained group Non trained group
X [tex]X^{2}[/tex] X [tex]X^{2}[/tex]
33 1089 50 2500
41 1681 46 2116
38 1444 47 2116
26 676 48 2209
28 784 37 1369
34 1156 39 1521
32 1024 41 1681
30 900
31 961
37 1369"
Was either set-up successful in completely separating the methanol from the water? if not, why do you think it was unsuccessful?
The success of completely separating the methanol from the water is
Alcohol.
Why do you think it was unsuccessful?Because water is a polar solvent and methanal is also a Polar compoundBoth Water and Methanal are miscible, they cannot be separated.Polar Compounds only dissolve in Polar solvents.It is possible due to the electrical charges tugging on various solute molecule parts. The negatively charged side of a solvent molecule attracts the positively charged ions of the solid compound and vice versa. The polar compound can then be dissolved in the polar solvent thanks to this. The ions are evenly dispersed throughout the solvent as a result of this activity. Regarding the solvent's polarity, it essentially develops as a result of the bonds between atoms with various electronegativity values, which result in the formation of the molecule.When carbon forms multiple bonds to other elements, these bonds are polar. Both the carbon-oxygen double bond in formaldehyde (methanal) and the carbon-nitrogen triple bond in acetonitrile (cyanomethane) are polar.
To learn more about separating polar compounds, refer
to https://brainly.com/question/24419453
#SPJ4
What is this element called
Answer:
Hydrogen
Explanation:
The atom only has one proton and one electron making it the first element in the periodic table.
Why is the sky blue In earth and space science
Why does you body need a balance of foods high in protein, healthy fats, and carbohydrates?
Answer
Provide the body with the calories, or energy, to grow as well.
if a 125 ml erlenmeyer flask weighs 88.5 g, what is the volume in liters? group of answer choices 12.5 l 1.25 l 0.125 l 125 l 1250 l
If a 125 ml erlenmeyer flask weighs 88.5 g, then the volume of erlenmeyer flask in litre is 0.125 litre
Here given data is 125 ml erlenmeyer flask and weighs of erlenmeyer flask that is 88.5g
So, in that 125 ml erlenmeyer flask are seen only not the weighs are seen here the weighs of the erlenmeyer flask should not matter here
So, 125ml= 0.125 liters
Here correct answer choices is 0.125 liters
Know more about erlenmeyer flask
#SPJ4
a compound contains only c, h, and n. combustion of 35.0 mg of the compound produces 53.0 mg co2 and 32.6 mg h2o. what is the empirical formula of the compound?
The empirical formula of the compound is CH₃N
How to determine the mass of Carbon Mass of CO₂ = 53 mgMolar mass of CO₂ = 44 g/mol Molar of C = 12 g/mol Mass of C =?Mass of C = (12 / 44) × 53
Mass of C = 14.45 mg
How to determine the mass of HMass of H₂O = 32.6 mgMolar mass of H₂O = 18 g/mol Molar of H = 2 × 1 = 2 g/mol Mass of H =?Mass of H = (2 / 18) × 32.6
Mass of H = 3.62 mg
How to determine the mass of NMass of compound = 35 mgMass of C = 14.45 mgMass of H = 3.62 mgMass of N =?Mass of N = (mass of compound) – (mass of C + mass of H)
Mass of N = 35 – (14.45 + 3.62)
Mass of N = 16.93 mg
How to determine the empirical formula C = 14.45 mgH = 3.62 mgN = 16.93 mgEmpirical formula =?Divide by their molar mass
C = 14.45 / 12 = 1.204
H = 3.62 / 1 = 3.62
N = 16.93 / 14 = 1.209
Divide by the smallest
C = 1.204 / 1.204 = 1
H = 3.62 / 1.204 = 3
N = 1.209 / 1.204 = 1
Thus, the empirical formula of the compound is CH₃N
Learn more about empirical formula:
https://brainly.com/question/14440227
#SPJ4
When sodium chloride is dissolved in water, the temperature of the resulting solution is lower than the temperature of the water before the salt dissolves. How can this result be explained based on bond breaking in bond making that is occurring?
Homolysis is the process of breaking a covalent single bond when, as in the first example, one of the shared pair's electrons is still present with each fragment. Heterolysis is the term for when a bond breaks while still having one fragment and both of the sharing pair's electrons, as in the second and third examples.
How can this result be explained based on bond breaking in bond making that is occurring?
Due to electrical charges and the fact that both water and salt molecules are polar, with positive and negative charges on opposite sides of the molecule, salt dissolves in water at the molecular level.
The chloride ion is negatively charged, while the sodium ion is positively charged, which is why the bonds in salt compounds are referred to as ionic. A water molecule is also ionic in nature, but the link is covalent because two hydrogen atoms place their positive charges on opposite sides of the oxygen atom, which has a negative charge. Water's covalent bonds are more powerful than salt molecules' ionic bonds, so when salt is combined with water, the salt dissolves.
The negatively charged side of the water molecules is drawn to the positively charged sodium ions, whereas the positively charged side is drawn to the negatively charged chloride ions. In essence, a tug-of-war takes place, with the water molecules coming out on top. The ionic link that held sodium and chloride ions together is broken when water molecules force the ions apart. As seen in this picture, the sodium and chloride atoms are encircled by water molecules after the salt compounds are separated. After that, the salt dissolves and forms a homogenous solution.
To know more about bond breaking, click on the link below:
https://brainly.com/question/11730562
#SPJ9
glycerol is syrupy liquid often used in cosmetic a 2.50 l sample of pure glycerol has a mass of 3.10^3 g what is the density
The density of the glycerol is 1250g/l.
What is density?Density refer to the mass of an object or particles with ratio to its volume.
Density =mass÷volume.
Mass of the object is 3.10^3
volume is 2.50l
Density = 3.10^3÷2.50
Density of the glycerol is 1250g/l
Therefore, The density of the glycerol is 1250g/l
Learn more about density below.
https://brainly.com/question/1354972
#SPJ4
The average temperature in the mountains is 65° in April. The average temperature in that same spot is −5° in December. Determine how much warmer this location is in April than in December, and determine which temperature is the farthest away from 0°.
65 + |−5| = 70°, 65° is the farthest from 0°
65 − |−5| = 60°, 65° is the farthest from 0°
65 + |−5| = 70°, −5° is the farthest from 0°
65 − |−5| = 60°, −5° is the farthest from 0°
Answer:
A 65 + |−5| = 70°, 65° is the farthest from 0°
Explanation:
Answer:
A
Explanation:
This question involves absolute value which makes negative positive
which is farther from 0, 5 or 65?
Factories in the midwest spew out nitrogen oxide and sulfur that fall as acid rain in the northeast, and northeastern states can do nothing about it. this is an example of?
Factories in the midwest spew out nitrogen oxide and sulfur that fall as acid rain in the northeast, and northeastern states can do nothing about it.
What is acid rain?
Due to atmospheric pollution, rainfall has become so acidic that it harms the environment, primarily lakes and forests. Burning coal and other fossil fuels for industrial purposes produces waste gases that are high in sulphur and nitrogen oxides, which react with atmospheric water to form acids. The main reason for acid rain is this.
This concept is usually referred to as "acid rain" because it covers a range of acidic precipitation. Acidic deposition can happen in two different ways: moist and dry. Wet deposition is the general term for any sort of precipitation that removes acids from the atmosphere and deposits them on the surface of the planet.
Chemicals released by Midwest factories end up in the Northeast as acid rain, and the region's states are powerless to stop it on their own. Only federal regulations can address that. Different laws may have negative repercussions that spread from one state to another.
To learn more about acid rain from the given link below,
https://brainly.com/question/13270032
#SPJ4
if argus fell into the waters around labrador (temperature 1°c, or 34°f), what reaction is most likely to happen?
Piloerection is the reaction most likely to happen if Argus fell into waters around Labrador.
Piloerection is a phenomenon or a reaction causing erection of hairs or papillae of the skin due to the contraction of the tiny arrectores pilorum muscles (tiny muscles located at the origin of each body hair) that elevate the hair follicles above the rest of the skin and moves hair vertically, so hair seems to stand o the end.
When Argus fell into the water of temperature 1°C, or 34°F around Labrador, piloerection happens because Argus might be scared and cold, which makes his hair stand up or cause goosebumps.
Piloerection is a primary physical elicitor kind of response to cold or shock. In Argus and other animals, erection of coat hairs or feathers serves to increase the isolation layer of air around the body.
To learn more about Labrador and Argus,
https://brainly.com/question/1175892
#SPJ4
A cube containing two sodium atoms has a mass of 7.64 x 10-23 g and a density of 0.963g/cm3. calculate the length of a side of the cube in pm.
Sodium crystallizes in the cubic lattice and the edge of the unit cell is 430pm.
What is crystallizes?When atoms or molecules are strongly ordered into a structure known as a crystal, the process of crystallization, also known as crystallisation, results in the formation of a solid. Precipitation from a solution, freezing, and—less frequently—direct deposition from a gas are a few of the processes that crystals can go through to develop. When liquid crystals are formed, time of fluid evaporation and variables like temperature and air pressure have a significant impact on the crystal's characteristics.
There are two main stages to crystallization. The first is nucleation, which is the emergence of a crystalline phase from either a supercooled liquid or a supersaturated solvent. The second process, known as crystal growth, results in a crystal state by enlarging the size of the particles.
To learn more about crystallizes from the given link:
https://brainly.com/question/28138611
#SPJ4
Write a balanced equation from the following cell notation: mn(s) | mn2 (aq) || cd2 (aq) | cd(s)
The balanced equation can be written as follows,
[tex]Mn(s)+Cd ^ {2+} (aq)[/tex]→[tex]Mn^{2+} (aq)+Cd(s)[/tex]
How should cell notation be written?The cell's components are written in chronological order, beginning with the left hand and progressing across the salt bridge to the right. A single vertical line denotes a phase boundary, such as the one between the solid Zn electrode and Zn2+(aq) or Cl2(g) and Cl-.Cell notations are abbreviations for voltaic or galvanic (spontaneous) cells. This unique shorthand describes the reaction conditions (pressure, temperature, concentration, and so on), the anode, the cathode, and the electrode components.Chemical formulas or element symbols represent the relevant components of each half-cell. Vertical parallel lines represent all interfaces between component phases; if two or more components are present in the same phase, their formulas are separated by commas.To learn more about cell notation refer to
https://brainly.com/question/6258301
#SPJ4
Describe why chemical energy potential energy is a form potential energy
Chemical energy is a form of potential energy because the energy stored in the chemical bonds can be used to generate work when they are broken down in exothermic reactions.
What is chemical energy?Chemical energy is a form of potential energy because the bonds of compounds (e.g. foods) may release energy when they are break down during enzymatic reactions, thereby storing potential energy that is transformed into kinetic energy.
In conclusion, chemical energy is a form of potential energy because the energy stored in the chemical bonds can be used to generate work when they are broken down in exothermic reactions.
Learn more about chemical energy here:
https://brainly.com/question/5650115
#SPJ1
How does the carbonate ion concentration of seawater affect the calcification rate of a coral reef?
As the concentration of carbonate ions is increased, the speed of calcification increases.
Why is carbonate important for ocean life?
Calcium carbonate minerals are the life blocks for the skeletons and shells of several marine organisms. In areas where most life now congregates within the ocean, the seawater is supersaturated with regard to calcium carbonate minerals.
How do organisms use carbonate?
the most way is via photosynthesis by phytoplankton, where CO2 and sunlight are wont to produce sugars and a waste product of oxygen. carbon are often utilized in the calcium carbonate shells of animals including corals, clams, mussels, oysters.
Learn more about coral reef:
brainly.com/question/10970167
#SPJ4
If a material has a tensile modulus of elasticity of 114 gpa and a poisson's ratio of 0.33, what is its modulus of elasticity in shear? (20 points)
The tensile modulus of elasticity. The Poisson's ratio of material,. Let. The modulus of elasticity in shear.
What is Poisson's ratio?Poisson's ratio is a unit of measurement used in solid mechanics and materials science to describe the Poisson effect, which is the deformation (expansion or contraction) of a material in directions opposite the specific direction of loading. The transverse strain to axial strain ratio's value is the opposite of that. is the ratio of transverse elongation to axial compression for minor values of these changes.
The values of Poisson's ratio for the majority of materials fall between 0.0 and 0.5. Poisson's ratio is close to 0.5 for soft materials like rubber because their bulk modulus is significantly larger than their shear modulus. Because open-cell polymer foam cells frequently collapse under compression, Poisson's ratio for these materials is close to zero.
To learn more about Poisson's ratio from the given link:
https://brainly.com/question/22670924
#SPJ4