Answer:
b, H2O(s) r H2O(g)
Explanation:
entropy is heat, so increase in heat would mean water gets evaporated or melted, or both in this case. so the only choice above that showed increase in heat is from solid(ice) to gas(water vaper) due to increase in heat in the reaction.
Answer:
18.4 g
Explanation:
M(He) = 4.0 g/mol
4.6 mol * 4.0 g/ 1 mol = 18.4 g
This is not a scientific term. The scientific version is Nuclear ___. Depends on the context.
They are hard solid with a crystal lattice structure... with high melting points
Answer:
a big trend i see, is it's decreasing
Explanation: