Why is there no chemical process that will break down carbon

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

If two objects at different te, peraure are in contact with each other what happens to their temperature