Give an example of a substance changing temperature and what happens to the motion of molecules as the temperature changes?

Investigations were carried out in a science lab to explore the topic of chemical and physical changes. Investigation A Step 1. Add 5 tsp. salt to 100 ml warm water and stir until most or all of the salt is no longer visible. Step 2.

What kind of energy is released when fuels are burned? A. Chemical B. Thermal C. Electrical D. Electromagnet

What is a subshell? explain why is it important.

Which correctly describes an issue relating to the mining and extraction of uranium? Select all that apply.

A gas has a volume of 50.0 cm3 at a temperature of - 73°c. what volume would the gas occupy at a temperature of - 123°c if the pressure stays constant?

What is released when a election returns to a lower state of energy

Which of the following elements has its highest energy electrons in an "s" atomic orbital? radiium (Ra) neon (Ne) aluminum (Al) lanthanum (La)

About how long does it take for the Sun to make one rotation on its axis?

Does a physical change affect the identity of a substance

If the cost of electricity is 8 cents/kWh, how much will it cost to use the light for a whole year (365 days) ?