Tej

The sum of the digits of a two digit number is 13.The number obtained by interchanging the digits of the given number exceeds that number by 27.Find the number.

1. A system absorbs 1.57E2 kJ of heat and the surroundings do 1.096E2 kJ of work on the system. What is the change in internal energy (in kJ) (ΔU) of the system? 2. The air in an inflated balloon (the system) absorbs 125 J of heat from its proximity to a...

1. Which of the following explains why the bomb calorimeter exemplifies the First Law of Thermodynamics. a. It requires the slow flow of heat energy and information is not lost. b. The loss of heat energy from the sample becomes the gain in heat energy of...