D Question 24 6 pts A hot system is brought into contact with a cold system. Heat is allowed to be exchanged between the two systems. Which of the following statements is true? The entropy of the hot system decreases and the cold system increases. O The entropy of the hot system increases and the cold system decreases. O The entropy of the hot and the cold system both increase. O The entropy of the hot system decreases and the cold system decreases. Previous Next Quiz saved at 5:41pm Submit QuizQuestion 25 6 pts Charge q is a test charge used to measure the electric field created by a source charge Q. To determine the electric field, we use E=F/q . What happens to the electric field created by charge Q if both test charge q and source charge Q are doubled? O The electric field doesn't change O The electric field is doubled O The electric field is halved The electric field is quadrupled Previous Next Not saved Submit QuizD Question 26 6 pts Due to an increase in temperature the thermal energy of a gas is increased by 300 J. The gas is allowed to expand and 40 J of energy is transferred as work. What is the change in the enthalpy of the gas? O 340 J O 300 J O O 260 J 0 40 J Previous Not saved Submit Quiz