What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid reacted with excess zinc according to the following equation ? Zn(s) + 2HCl(aq). ZnCl2(aq) + H2(g)

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

How have the greenhouse gasses increased from the year 2000 to 2018