If 33.0 grams H2 react with excess O2, what is the percent yield if an experiment produced 250.0 g H2O ? 2H2 + O2 ® 2H2O

Embryos of different species look very similar, which shows that the organisms share a ancestor.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

What is the chemical formula for dihydrogen monoxide