Write 3 - 4 sentences to describe the difference between the chemical reaction if it were set up so that test tubes containing a 0.1 M HCl solution and a 0.1 M Na2S2O3 solution were incubated on ice or in a 70°C water bath before the reaction began. Be sure to include observations and the effect on the rate constant.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)