How many atoms of mercury are required to produce 3.49 L of H2 gas (density = 0.0899 g/L
according to the balanced chemical reaction:
2Hg(l) + 2 HNO3(aq) → Hg2(NO3)2(aq) + H2(g)

i think it is d. e because the next one is igneous.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

ok whats the question if not i cannot you i need question and need a thing to answer