Answer: During the summer, the sun's rays hit the Earth at a steep angle. ... Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures. During the winter, the sun's rays hit the Earth at a shallow angle. These rays are more spread out, which minimizes the amount of energy that hits any given spot.
The equation shows cellular respiration. During cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP. Uppercase C 6 uppercase H 12 uppercase O 6 6 uppercase O 2 right-arrow 6 uppercase C uppercase 0 2 6 uppercase H 2 uppercase 0 A T P What happens to the energy in the bonds in glucose?.
The energy in the bonds in glucose will be broken down and transferred to ATP molecules.
CELLULAR RESPIRATION:Cellular respiration is the process by which living organisms obtain energy by breaking down food molecules in their cells.
The equation for cellular respiration is as follows:
C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP
Based on the illustration using the above equation, the energy stored in the bonds of glucose molecule is broken down and used to synthesize ATP molecules.
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2. What do acidic solutions have high concentrations of?
Answer:
Explanation:
An acidic solution has a high concentration of hydrogen ions (H +start superscript, plus, end superscript), greater than that of pure wate
which are the only two elements liquid at room temperature?
Answer:
mercury and bromine are the only two elements
Would you expect the shielding effect to be greater in bromine than in chlorine?
A. Yes, because there are more filled orbitals in bromine.
B. Yes, because bromine has a higher atomic number.
C. No, because they are both in the same family.
D. No, because chlorine has a higher electronegativity than bromine.
The shielding effect of bromine is greater than chlorine because there are more filled orbitals than in chlorine.
Shielding EffectThis is the process where by electrons are protected by the pull attraction of the nucleus with the use of electron shells. The shielding effect increases down the group of the periodic table and increases across the period. This is because when you move down the group, there's an increase in the number of shell by 1 and it helps to reduce the effect of nuclear attraction on the electrons. However when you move across the period, there's an increase in the numbers of electron with the same shielding electrons from group 1(a) across the period to group 7(a).
Factor that affect the shielding effect of an electronThe numbers of electrons on the inner shells.Type of orbital which the electron is located.Shielding effect is primarily dependent on the numbers of electrons in the inner shells as well as the type orbitals.
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PLEASE PEOPLE I NEED HELP PLEASE IF YOU SEE THIS HELP ME ! :,(
NO LINKS !!!! PLEASE :)
Answer: 5.5 7.5 102
Explanation: using the equation above you can get these %s
What was boyle’s most famous discovery about gases?
Answer:
Boyle's most famous discovery had to do with how the pressure and volume of gases relate, either this or he discovered the volume of a gas decreases with increasing pressure...
Explanation:
...
A group of students were asked to design a device that converts light energy into heat. They built a small solar oven using a tin can and aluminum foil. The device reflects light into the can, warming up its contents.
Which action would most improve the design of the solar oven?
O A. Add a mirror to reflect light away from the can.
O B. Use hand lenses to focus the light into the can.
O c. Add a fan to make sure the food is evenly warmed.
O D. Change the tin can to a box with a lid to Increase cooking space.
Answer:
answer is b
Explanation:
I think it is b. I don't know what land lenses are but focusing light on the can would heat it up more.
PLEASE HELP!!
Explain the physical and chemical properties of water, including its different phase changes. Why is water so critical for human life?
Submission
how does the value of g on the earth is related to the mass of the earth and its radius drive it
The relationship between acceleration due to gravity (g), mass of earth (M) and the radius of earth (R) is [tex]g = \frac{GM}{R^2} [/tex].
What is weight of an object?
The weight of an object is determined as the product of the object's mass and acceleration due to gravity.
F = mg
The gravitational force on objects in the universeThe gravitational force between two objects in the universe is directly proportional to the product of mass of the objects and inversely proportional to the square of the distance between the objects.
[tex]F = \frac{GmM}{R^2} [/tex]
[tex]mg = \frac{GmM}{R^2} \\\\ g = \frac{GM}{R^2} [/tex]
where;
M is the mass of the earth
R is the radius of the earth
Thus, the relationship between acceleration due to gravity (g), mass of earth (M) and the radius of earth (R) is [tex]g = \frac{GM}{R^2} [/tex].
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Two samples of solids have similar reactivity with acids and similar densities. Their masses
and volumes, however, are not at all similar. Is it possible that these are the same
substance? (1 point)
O. No, it is not possible because they have different extensive properties.
O Yes, it is possible because they have similar intensive properties.
O Yes, it is possible because they have similar extensive properties.
O No, it is not possible because they have different intensive properties.
They may be the same substance even though they have different volumes and masses.
Intensive properties are the properties are characteristic a substance. Intensive properties are those properties of a substance that can be used to describe the substance.
We can see that the substances have similar reactivity and similar density. This means that they may be the same substance even though they have different volumes and masses.
The correct option is; "Yes, it is possible because they have similar intensive properties."
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Two students are exploring a creek in their neighborhood.
The students hope to find some fossils along the way. What kinds of rocks should the students look for on their hike, and why should they look for those kinds of rock?
True or False: A food chain is the feeding relationships among all the organisms in an
ecosystem.
Answer:
False.
Explanation:
A food web is the feeding relationships among all the organisms in an
ecosystem.
.・。.・゜✭・have a nice day・✫・゜・。.
Please Help giving high points. Perform the following mathematical operation, and eport the answer to the correct number of significant figures. 4568/1.3 = [?]
Answer:
1.3 is the value with the lowest sig figs in your question. So we have 2 sig figs.
4568/1.3 = 3513.84615
Now let's change the answer in sig figs.
We know that trailing zeros don't actually count as part of sig figs.
So we can round the answer to 3500, having the 2 sig figs (3 and 5) while the trailing zeros don't count.
Final answer = 3500
Which choice describes an organism found in the under story of a rain forest?
thick, woody vines
bacteria
very tall trees
palms and other small trees
Answer:
Palms and other small trees
The choices which describes an organism found in the under story of a rain forest are bacteria, thick and woody vines.
What is under story of a rain forest?The understory is a layer of young trees, short species of trees, shrubs, and soft-stemmed plants that lies several meters beneath the canopy's bottom. The understory differs greatly from one rainforest to the next.
The organism that is found in the under story of a rain forest is bacteria and very small plants, thick and woody vines.
Hence organism that is present in the understory are bacteria, thick and woody vines.
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Multiply or divide to find the equivalent fraction.
51/120=□/360
Answer
153
Explanation:
51/120 = x/360
51(360) = 120x
18360 = 120x
18360/120x = 120x/120x
153 = x
Answer:
153
Explanation:
the atomic number of four elements p,q,r,s are 6,8,10 and 12 respectively. the two elements which can bond ionically are:
Answer:
The atomic numbers of four elements A, B, C, and D are 6,8,10, and 12 respectively. The two elements which can react to form ionic bonds (or ionic compounds) are B (8= 2,6) and D (12 =2,8,2). So D donates its two electrons to B to fulfill their octet.
Explanation:
which of the following is a pure substance that contains two or more elements?
Answer:
pure substance does not contain two or more elements
Which of the following is an oxidation-reduction reaction? Fe2O3 3CO Right arrow. 2Fe 3CO2 CuSO4 2NaOH Right arrow. Cu(OH)2 Na2SO4 2NaOH H2CO3 Right arrow. Na2CO3 2NaOH Pb(NO3)2 Na2SO4 Right arrow. 2NaNO3 PbSO4.
The reaction, Fe2O3 + 3CO------> 2Fe + 3CO2 is an oxidation-reduction reaction.
An oxidation-reduction reaction is a reaction in which there is a change in oxidation number from left to right in the reaction. This is because, a specie is oxidized and another specie is reduced.
In the reaction; Fe2O3 + 3CO------> 2Fe + 3CO2, we can see that the oxidation number of iron decreased from +3 on the left hand side to zero on the right hand side. The oxidation number of carbon was increased from + 2 to +4.
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Answer:
A
Explanation:
EDGE2022
I need help ASAP this is my final
Answer:
A
Explanation:
is the best answer...........
Which of the following can be a
wave medium?
A. solids, liquids, gases, and plasma
B. only solids
C. empty space
What is the problem with this chemical equation: H2 + O2 → H2O
Answer:
To make H2O, you need two H and one O. in this equation, you are given two Os which is too many. you'll end up with an extra O. H2 + O2 -> H2O + O
Which is the correct measure of density?
Cm^2/g
g/cm^3
cm^3/g
mass x volume
Answer:
g/cm^3
Explanation:
Density= m/v
gram is a measurement of mass
cm^3 is a measurement of volume
Hope this helps:) Have a good day!
A sample of nitrogen gas at STP has a volume of 65.8 L. What is the mass of the gas?
A)
82.3 g
B) 41.18
2.94 g
07
0.210 g
E
0.1058
Answer:
B
Explanation:
what can scientists gain clues about by analyzing the speed at which seismic waves travel?
Why does a solid fill only part of a closed jar while the same mass of a gas fills the whole jar?
Answer:
because of atom don't put that as an answer
Explanation:
i need point to do finals
The different behavior of particles in solids and gases, including the intermolecular forces and kinetic energy, leads to solids filling only part of a closed jar while the same mass of a gas fills the whole jar. A solid fills only part of a closed jar, while the same mass of a gas fills the whole jar due to the differences in the behavior of particles in each state of matter.
1. Solid: In a solid, the particles are tightly packed and held in a fixed position. They have a definite shape and volume. The intermolecular forces between the particles are strong, preventing them from moving freely. As a result, solids occupy a specific amount of space within a container.
2. Gas: In a gas, the particles are spread out and move freely. They have no definite shape or volume. The intermolecular forces between the particles are weak, allowing them to move and fill the available space. As a result, gases can expand to fill the entire volume of a container.
When the same mass of a gas and a solid are placed in a closed jar, the gas particles have higher kinetic energy and are more mobile. They collide with each other and the walls of the container, exerting pressure and spreading out to occupy the entire space. Since the intermolecular forces are weak, the gas particles are not constrained by a fixed arrangement.
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magnesium nitrate contains chemical bonds that are
Answer:
Magnesium Nitrate is an ionic compound formed by:
Magnesium;Mg+2 (the cation) and Nitrate NO−3 (the poly-atomic anion).
In order for these two ions to bond, the charges must be equal and opposite. Therefore, it will take:
two -1 nitrate ions to balance the one +2 magnesium ion.
Find the percent composition of OXYGEN in Manganese (III) nitrate, Mn(NO3)3.
Answer:
Mn(NO3)3 Molar mass = (54.93) + (3 x 14) + (9 x 16) = 240.93g/mol
Total number of Oxygen atoms in formula = 9
Total mass of oxygen atoms theoretically in the formula = 9x16 = 144g/mol
Oxygen's percentage composition:
(144/240.93) x 100 = 59.7% of the compound is oxygen
how would you expect the solubility of barium sulfate in pure water to compare to its solubility in 0.10 m nacl
Answer:
barium sulfate is insoluble (unable to dissolve) in water.
the general equation for the reaction between solid barium sulfate and nacl solution is this:
BaSO4 (s) + 2NaCl (aq) --> BaCl (aq) + Na2SO4 (aq)
to sum this up, to compare the solubility,
1. barium sulfate cant dissolve in pure water.
2. barium sulfate dissolves in nacl solution to give aqueous (aq) barium chloride (bacl) and aqueous sodium sulfate (na2so4), as shown in the equation above.
good luck!
The solubility of barium sulfate in pure water to zero as compare to the solubility in NaCl solution.
What is solubility?
Solubility is a property of any substance that defines how easily can be any substance will get dissolved or show dissolution.
Barium sulphate is insoluble in water beacuse it has higher lattice energy as well as higher size of cations & anions as compare to water, due to which water is not able to attract these ions towards itself affectively.Barium sulphate is soluble in the NaCl solution as this solution having ions which have more power to attract the ions of barium sulphate and show dissolution. Chemical reaction for this will be represented as:BaSO₄ (s) + 2NaCl (aq) → BaCl (aq) + Na₂SO₄ (aq)
Hence, barium sulphate is insoluble in water.
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If 48.3g of iron is completely rusted in oxygen to produce 62.5g of iron (III) oxide, how many grams of oxygen are involved in the reaction?
The amount of oxygen involved in the reaction would be 20.7 g
The equation of rusting of iron is as follows:
[tex]4Fe + 3O_2 ---> 2Fe_2O_3[/tex]
The mole ratio of Fe to O2 is 4:3.
Mole of 48.3 g Fe = mass/molar mass
= 48.3/56
= 0.8625 moles
Equivalent mole of O2 = 0.8625 x 3/4
= 0.6469 moles
Mass of 0.6469 moles O2 = mole x molar mass
= 0.6469 x 32
= 20.7 g
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Hurry. NO Spam! Write the neutralization reaction that occurs between HF and LiOH.
Answer:
HF + LiOH = LiF + H2O.
Explanation:
Hydofluoric acid is a weak acid the solution would be slightly basic due to the following equilibrium (condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.)
Hope that helps. x