What is a reaction rate? A. A measure of the frequency of collisions between molecules B. A measure of the speed at which molecules are moving in a solution C. A measure of how fast products are made in a reaction D. A measure of the energy difference between reactants and products

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a