Sand is because the other ones are liquid
The answer is A, you winn not find carbon dioxide in ur pee lol I hope this helps out, have an amazing day!!
Answer is: <span>B) -50.2 kJ.
Balanced chemical reaction: </span>N₂(g) + 3H₂(g) → 2NH₃(g) ΔH = -<span>100.4 kJ.
This is exothermic reaction, because heat is released and energy is include as product of chemical reaction.
Make proportion, two moles of ammonia released 100.4 kJ of heat, then one mole of ammonia released:
2 mol(NH</span>₃) : (-100.4 kJ) = 1 mol : ΔH.
ΔH = -50.2 kJ; <span>heat released per mole of NH</span>₃.
An atom is the smallest unit if a matter that has properties of an element.
A molecule is a single unit created by two or more atoms that are tightly bonded together.
Hope this helped :)