Which equation shows conservation of mass and energy for a reaction at 101.3 kpa and 298 k? a.2h2(g) + o2(g) 2h2o(g) + 483.6 kj b.2h2(g) + o2(g) 2h2o(l) + 285.8 kj c. h2(g) + o2(g) h2o(g) + 483.6 kj d. h2(g) + o2(g) h2o (l) + 285.8 kj?

it should be p1 v1 = p2 v2

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl