The ansewr is A i would guess
Answer:
Condensation
Explanation:
Thermal energy is released in this process
B. This looks like ice turning to water then to steam
Assuming that the ammonium sulfide formula is (NH4)2S then you can see that there are 2 nitrogen, 8 hydrogen and 2 sulfur atoms for every ammonium sulfide. If the amount of ammonium sulfide is 8.9 moles, then the number of hydrogen atoms should be: 8/1 * 8.9 mol= 71.2 moles