7. (08.04 MC) An unknown solution has a pH of 7.1. Which of these chemicals is likely to increase the pH the most when added to the solution? (5 points)

HF

KOH

NH3

HNO3

What is the relationship of air masses and the temperature of oceans?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.