What is the gas temperature after the expansion (in ∘C)?Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20∘C undergo an isobaric expansion until the volume has tripled.

When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic