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Colt1911 [192]
3 years ago
11

What is the specific heat of a substance if 690 J of heat are required to raise the temperature of a 100 g

Chemistry
1 answer:
tangare [24]3 years ago
8 0

Answer:

hi

Explanation:

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Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O What mass of CH4 is required to completely react with 100 grams of
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2 O2 + CH4 CO2 + 2 H2O 

<span>What mass of CH4 is required to completely react with 100 grams of O2? </span>

<span>mass CH4 = 100 g O2 x (1 mol O2 / 32 g) x (1 mol CH4 / 2 mol O2) x (16.05 g / 1 mol CH4) </span>
<span> 25 grams CH4 


</span>
5 0
3 years ago
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Answer:

The correct answer is - temperature, state of molecules, and the number of molecules.

Explanation:

The total thermal energy of a system or the total internal energy of a system solely depends on three major aspects of the system's or objects that are the number of molecules or atoms in the system, the temperature of the system, and the state or arrangement of the molecules of the system. More the molecules or atoms present in a system at a particular temperature higher the total thermal energy the system has.

Thus, the correct answer is - temperature, state of molecules, and the number of molecules.

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