Which one of these is an example of a physical change? a. sugar dissolving in warm water. b. iron rusting in the presence of moist air. c. wood burning in the presence of oxygen. d. baking soda reacting with acid to form with acid to form a gas.

Enzymes affect the reactions in living cells by changing the

Are oil and water a mixture or solution

Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) ⇌ 2co(g) k'p = 1.30 × 1014 co(g) + cl2(g) ⇌ cocl2(g) k''p = 6.00 × 10−3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) ⇌ 2cocl2(g) 4.68 × 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp: