A volume of 95.0 ml of h2o is initially at room temperature (22.00 ∘c). a chilled steel rod at 2.00 ∘c is placed in the water. if the final temperature of the system is 21.30 ∘c, what is the mass of the steel bar?

D. protons and neutrons have charges of the same magnitude but opposite sign. true or false

How are subatomic particles and electric charge related?

A boy is running with kinetic energy of 810j if the boy has a mass of 80kg what is his peed

I Think is B Endothermic: Measure of disorder as objects move toward equilibrium. Example: your bedroom becomes more messy each day. Question 1 options: A. True B. False: answer is Entropy C. False: answer is exothermic

What is the longest wavelength in the molecule's absorption spectrum?

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.