Ask Question
8 March, 11:06

A laboratory animal exercised on a treadmill raises a 200 g mass 1.55 m, and at the same time loses 5.0 J energy as heat. Assume the animal is a closed system. How much does its internal energy change?

+2
Answers (1)
  1. 8 March, 13:52
    0
    3.303 kJ

    Explanation:

    W = P. E = 200 * 1.55 * 9.8 = 3308 J

    Q = - 5.0 J

    ΔU = W + Q

    = 3308 + ( - 5) = 3303 J or 3.303 kJ

    So, the change in internal energy of laboratory animal is 3.303 kJ.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A laboratory animal exercised on a treadmill raises a 200 g mass 1.55 m, and at the same time loses 5.0 J energy as heat. Assume the animal ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers