You react 25.0 g of Hydrogen gas with 38.1 g of O2. H2 + O2 → H2O d. How many grams of excess reactant will be left over?​

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

How does a noncompetitive inhibitor reduce an enzyme’s activity?