Determine how the following actions will affect reaction rate by choosing the correct response.
a. Platinum is used in catalytic converters in cars to convert toxic gases to carbon dioxide and water. If much less platinum is used to make the catalytic converter, the conversion of the gases would__________
b. Magnesium metal is reacted with hot water in two beakers to produce magnesium hydroxide and hydrogen gas. Beaker 1 had a one-inch strip of magnesium and beaker 2 has a one-inch strip cut into tiny pieces. The rate of reaction in beaker 2 is __________ beaker 1.
c. An experiment is carried out at 40oC and 70oC. The experiment carried out at 70oC occurs faster. This is because __________