Question

Which of the following requires an increase in kinetic energy?



solid à liquid


gas à liquid


liquid à solid


gas à solid

Answer 1

Kinetic energy means that the particles are moving faster and implies that they are more disordered. So can you tell me which process would lead to a greater disorder?

Answer 2

Gas to solid? @photon336

Answer 3

yes gas to solid

Answer 4

wait a second, I thought its decrease, but its increasing... answer is different wait

Answer 5

gas to liquid?

Answer 6

its A

Answer 7

For increasing K.E, solid to liquid to gas
For decreasing K.E, gas to liquid to solid
Got it?

Answer 8

It's liquid to gas

Answer 9

see, in the options(you have to compare)....
so liquid to gas (ofcourse has more K.E) but its not in options

Answer 10

so A?

Answer 11

yup