Where does the heat that is needed to warm the surface of the ocean come from? A. the Sun B. the Earth's interior C. animals D. the Earth's surface

What is true for a substance that releases energy

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions