Alarge truck parked on a hill has more energy than a car parked next to it.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.