The net force determines how and if an object will?

A) make a balanced force

B) change its mass

C) move or accelerate

Is there a difference between the freezing temperature and the melting temperature? Explain your answer in terms of numerical values, physical change and energy changes

You are given a piece of paper and a match. The paper has a mass of 2.5 g. You then light the match and light the piece of paper on fire. After it burns, the remaining bits of paper weigh 0.5 g.

Which of the following correctly describes molecules of two different gases if they are at the same temperature and pressure? A. They must have the same mass B. They must have the same velocity C. They must have the same average kinetic energy D.

Water is a polar molecule, meaning the electrons that are shared between the atoms aren't shared equally so oxygen attracts more electrons than hydrogen. What analogy best compares this?

What is the molar mass of CH2O2

how many grams of silver chloride are produced when 45 g of calcium chloride react with excess silver nitrate?

The atoms 14N7, 15N7 and 16N7 are? A same in p B different in n C same in e D isotopes E all of these

Which temperature represents the highest average kinetic energy of the particles in a sample of matter? A) 298 K B) 267 K C) 27 degrees Celsius D) 12 degrees Celsius

Give me the summary of the movie "interstellar" in your own words.

The discovery of the sixth quark was accomplished by