Two water solutions that have a density of 1.00 g/mL are mixed, and a reaction occurs. The
temperature rises from 25.0°C to 27.0°C. Given that the heat capacity is 4.18 J/g x°C and that the
total mass of the water is 75.0 g, what is the heat change for the reaction?

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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)