3)What is conserved in the reaction shown below? N2(g) + 3F2(g) → 2NF3(g)
A)only atoms
B)only mass
C)only mass and atoms
D)only moles
E)only mass, atoms, moles, and molecules

show work

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

What is the mass of phosphorous in a 51-kg person