How much heat is necessary to change 10.0 g of water from 20 degrees celsius to 75 degrees celcius?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?