What is the temperature at which a substance melts or freezes?

How many moles of h2 gas would be contained in 4.00 of the gas at 202.6KPa and 127c?

A glass rod is rubbed with silk cloth and brought near a neutral metallic conductor sitting on a wooden post. The conductor is then grounded while the glass rod is kept in position. The ground is then disconnected and the glass rod taken away.

Two boat landings are 6 km apart on the same bank of a stream that flows at 2.3 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?

Which topic in a biology textbook is directly related to physics?

Why do the planets orbit the sun

Is it legal in Florida for a math teacher forces the kids to do push ups?

Acceleration is best defined as the rate of change of blank of an object

Zirconium has an atomic number of 40. How many neutrons are there in an isotope of zirconium-92?

If a glass is knocked off of a table that is 1.4m tall, how long does it take for the glass to hit the ground?

Imagine riding On a merry-go-round at the center. As you walk to the outer edge, the merry-go-round slows in order to conserve angular momentum. True or false?