One (1) mole of ethanol (C6H60) can provide 327 kcal of energy when burned and one (1) mole of hydrogen (H2) provides 68.4 kcal of energy. Based on mass in grams, which chemical is a better source of energy?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

What is the subscript for oxygen in its molecular formula

Helium decays to form lithium. which equation correctly describes this decay?