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ivolga24 [154]
3 years ago
8

Combustion of Methane Endothermic or Exothermic?

Chemistry
1 answer:
Misha Larkins [42]3 years ago
7 0
Idk. Idk. Idk. Idk.
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HELP
zhenek [66]
Answer: option C. the number of electrons in the atom.

Given that the charge of a proton is the same that the charge of an electron, to be neutral the number of protons has to be the same than the number of electrons.


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3 years ago
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TRUE OR FALSE?<br><br> An exothermic reaction could be written as: <br> heat + A + B -----&gt; AB
sukhopar [10]
The correct answer for this statement would be FALSE. It is considered false since exothermic reactions release energy, therefore, this energy can be considered more of a product, instead of the reactant. Hope this is the answer that you are looking for. 
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How many atoms of hydrogen are in 4Ca(OH)2​
inn [45]

Explanation:

there are 8 atoms of hydrogen

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2 years ago
A cup of cocoa is left on the counter. Which best describes how its temperature changes? a) the heat leaves the cup of cocoa b)
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I'm going to have to say A. My reason to that is because when you leave a cup of hot cocoa (assuming its hot), it gives off the heat (exothermic) the

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When hydrogen and oxygen combine to form water, which term is used to describe the water? A. product B. reactant C. catalyst D.
Allushta [10]
A. product


Hope it helps.........:)
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