Which chemical equation is balanced as written? a CuCO3(s) → CuO(s) + CO2(g)
b N2(g) + H2(g) + NH3(g)
C H2O2(aq) + H2O(l) + O2(g)
ed a Hint?
d Li(s) + H2O(l) + LiOH(aq) + H2(g)
Check it

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)