At 298 Kand 1.0 atm, how much energy is needed to raise the house temperature with 10 °C? The molar heat 8. capacity is 21 JK mol and the size of house is 5.5mx6.5mx3.Om. If ignoring the energy loss, how long doesit take when the rated power of air conditioner is 1.5kW and 1W=1J s?

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

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