I think it’s C but I’m not sure
Answer:
diamond is denser because it is more tightly packed than coal
The volume of one mole of any gas at STP is 22.4 L. So, at STP, the volume of 2.00 moles of hydrogen gas would be (22.4 L/mol)(2 mol H2) = 44.8 L.
Answer:
This question sadly does not make much sense, please rephrase it.
Answer:
it's a D answer if it's wrong please can you understand my question please