1). Phosphoric acid (H3PO4) is a triprotic acid. Which of the following equilibriums will have the
LARGEST equilibrium constant?
a). H3PO4 + H2O <=> H3O+ + H2PO4
b). H2PO4 + H2O <=> H3O+ + HPO42-
c). HPO 2 + H2O <=> H2O + PO 3-

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy