If you know the heat capacity of a necklace, what additional information do you need to determine whether it is made of gold? Select the correct answer below: A. only the mass of the necklace
B. both the specific heat of gold and the length of the necklace
C. only the specific heat of gold
D. both the specific heat of gold and the weight of the necklace

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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