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3 years ago

What is the correct equation for cellular respiration?

Chemistry

1 answer:

Dahasolnce [82]3 years ago

7 0

C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O

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describe how surface area affects the rate of a reaction? 20pts.. Needs to be in your own words, due to this being a part 2 test

34kurt

When you change the surface area of the reactants, we do increase the rate of the reaction. The surface of the reactant will have a higher chance to collide with a solid reactant. For example, atoms and molecules have to collide with each other.

I really hope I could help, sorry if I'm wrong! :)

7 0

3 years ago

As with any combustion reaction, the products of combusting a hydrocarbon fuel (CxHy) with oxygen (O2) are carbon dioxide (CO2)

melisa1 [442]

Answer:

5 molecules of oxygen will be present 

Explanation:

In this reaction combustion is taking place hence there must be presence of oxygen in it.

We don't know the initial amount of carbon molecules in hydrogen molecules present hence the equation goes:-

$CxHy + O_2 => CO_2+ H_2O$

Mass of fuel 16.74 grams, Mass of carbon dioxide is 1198 gram and water is 0.0654 remaining mass of fuel is 16.70 g. Hence amount of fuel used up is 0.04 gram

 $0.04 + O => 0.1198 + 0.0654$ 

Weight of products is 0.1852 and weight of oxygen is 0.1452 

No of molecules will be $\frac {(0.1452 \times 6.023 \times 10^-^2^3)}{ (1.661 \times 10^-^2^4)} = 5$ molecules 

3 0

4 years ago

Some properties of liquid water are very different from those of solid water (ice). Explain why freezing is considered a physica

drek231 [11]

Answer:

A chemical change is a change in the chemical makeup of a substance and results in a new substance. Ice and water both have the same chemical makeup - ice is just a different state and has the same atoms but in an expanded form.

Explanation:

8 0

3 years ago

What is the correct name for a molecule containing 2 nitrogen and 4 oxygen?

Yuki888 [10]

Dinitrogen tetroxide

3 0

3 years ago

How many moles would there be in 1.5x10^24 molecules of water?

Nookie1986 [14]

Answer:

5.85 moles

Explanation:

Moles in (3.52 X 10^24) molecules of water. 3.52 x 10^24 molecules x `1mol/6.02 x 10^23 molecules = 5.85 moles of H2O.

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3 years ago