The best and most correct answer among the choices provided by your question is the third choice or letter C.
Convection is heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it. Convection plays a role in the water cycle when "<span> gases cycle up and down based on air pressure."
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Plasma's that reach a temperature equal to their surroundings
someone already asked this question by the way you should search it next time so you don't waste any points : )
<u>Answer:</u> The balanced chemical equation is written below.
<u>Explanation:</u>
There are 2 types of chemical reaction classified on the basis of heat change:
- <u>Endothermic reactions </u>: They are the reactions in which energy of products is more than the energy of the reactants. For these reactions, energy is absorbed by the system. The
comes out to be positive and is written on the reactants side. - <u>Exothermic reactions:</u> They are the reactions in which energy of reactants is more than the energy of the products. For these reactions, energy is released by the system. The
comes out to be negative and is written on the product side.
We are given:
Moles of methanol = 2 moles
Moles of methane = 2 moles
Moles of oxygen gas = 1 mole

The chemical equation follows:

Hence, the balanced chemical equation is written above.