The kc for the following reaction at 225 ∘c is 1.7×102. 3h2(g)+n2(g)⇌2nh3(g)

if the equilibrium mixture contains 0.15 m h2 and 0.017 m n2, what is the molar concentration of nh3?

i have no idea what i am doing wrong here, !

What is the mass of 0.46 mil of mgcl2

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.