Chemistry 107 Exam 2
Which of the following is a nonelectrolyte in aqueous solution?
CH4.
Which statement about the relationship between energy and work is not correct?
If no work is being done, then the change in internal energy must be zero.
When a force moves an object some distance, the energy of the object increases.
TRUE. Force = ^energy.
When work is done, the energy of something must increase.
TRUE. Work done on something = Energy of something^
When water turns a water wheel, work is done and the energy of the water decreases.
TRUE. Water doing work = water loses energy. Wheel has work done on it = wheel gains energy.
When water is involved, ppm can be measured as.
mg/L