Explain why liquids solidify when they are cooled.

A 1.5 g iron nail is heated to 95.0 °c and placed into a beaker of water. calculate the heat gained by the water if the final equilibrium temperature is 57.8 ° c. the specific heat capacity of iron = 0.

The star Betelgeuse is about 600 light-years away. If it explodes tonight, -we'll know because it will be brighter than the full Moon in the sky. -we'll know because debris from the explosion will rain down on us from space.

If the pressure of the gas is doubled while the volume is held constant, what happens to its temperature? [Section 10.4] If the pressure of the gas is doubled while the volume is held constant, what happens to its temperature? [Section 10.

A tennis ball is served horizontally from 2.4m above the ground at 30 ms

A clay ball with a mass of 0.50 kg is traveling at 5.7 m/s to the right and hits another clay ball that has a mass of 0.50 kg which is at rest. The two clay balls stick together and move as one. What is the velocity of the two balls?

Which two substances could be produced in a combustion reaction? A. Carbon dioxide and oxygen B. Carbon dioxide and water C. Heptane and water D. Heptane and oxygen

How are characteristic properties of a given substance different from its other properties and chemical properties

What instrument can you use to measure the circumference of your waist?

Which will reduce the possible environmental damage associated with mining uranium? installing newer water recycling systems in older power plants increasing the reprocessing of used fuel for reuse building additional fission nuclear power plants

Two oppositely charged but otherwise identical conducting plates of area 2.50 square centimeters are separated by a dielectric 1.80 millimeters thick, with a dielectric constant of K=3.60. The resultant electric field in the dielectric is 1.