What are the tool needed to find the density of an irregularly shaped object?

What is the formula for power

A room is 16 ft x 12 ft x 12 ft. would air enter or leave the room if the temperature changed from 27°c to - 3°c while the pressure remained constant? Determine the volume of the air which moved in or out of the room.

The equilibrium constant for the reaction of hydrogen gas and oxygen gas to produce water at 500 k is 2.4 * 1047. what does the magnitude of the equilibrium constant tell us about the reaction? 2 h2 (g) + o2 (g) ⇄ 2 h2o (g) k = 2.4 * 1047

When does a full moon happen?

What is potential energy called that is associated with objects that can be stretched

Technician A says that engine parts should be be cleaned before a thorough test can be done to detect cracks. Technician B says that pressure testing can be used to find cracks in blocks or cylinder heads. Who is right?

How are mathematics and science related?

Radio telescopes detect waves with a wavelength of roughly 10 m. True False

2. A 0.30 kg ball is dropped onto a concrete driveway. The ball's velocity before impact is 4.5 m/s and after impact is 4.2 m/s. What is the change in the ball's momentum?

If we start with 400 atoms of a radioactive substance, how many would remain after one half-life? After 2 half-lives? After 3 half-lives? After 4 half-lives?