The graph below shows the change in average kinetic energy, as represented by temperature, of a 23 g sample of a substance as energy is added to the substance as heat.

What is the specific heat capacity of the solid?

A. 1.85 × 10³ J/kg•°C
B. 4.0 × 10² J/kg•°C
C. 5.0 × 10² J/kg•°C
D. 1.1 × 10³ J/kg•°C

What happens to the light rays when they hit the specimen?

True or false: the revolution of the earth creates day and night as it rotates around the sun

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final