Energy can be described In many ways. From the list below, what is the best defenition of energy?

A. Melting, freezing, or evaporating

B. Anything that brings about change

C. The ability to create a new substance

D. the ability to do work

In an oxygen element, each oxygen atom contains eight electrons in its valence shell. the atoms will be

What caused the bonding of two atoms which undergo an ionic bond? A. mutual electrons interlock B. attraction between electron cloud and nuclei C. opposite ions attract each other D. sharing of outer shell

Lewis structure XeH4? The hydrogen atom is not actually electronegative enough to form bonds to xenon. Were the xenon-hydrogen bond to exist, what would be the structure of XeH4?

Why can a larger steering wheel be easier to use than a smaller steering wheel? A. A larger wheel has a greater mass. B. A smaller wheel has a greater mass. C. A larger wheel requires less effort force. D. A smaller wheel requires less effort force.

The molar mass of water (H2O) is 18.02 g/mol. Yun needs 0.025 mol H2O for a laboratory experiment. She calculates that she needs 72.0 g H2O for the experiment. Yun's calculation was incorrect because she set up her unit conversion incorrectly.

2. The pressure of the oxygen gas inside a canister is 5.00 atm at 25 degrees C. The canister is placed in a freezer. If the temperature falls to - 10 degrees Celsius, what is the new pressure inside the canister? 3,41 atm 12.5 atm 4.41 atm 12.5 atm

How many kilojoules of energy are absorbed when 800.0g of water is heated from 20.0º C to 50.0º C

A box experiences a 20 N force to the left and two different 8 N forces to the right. (A) Will accelerate to the left (B) Will accelerate to the right (C) Will not accelerate

Which statement best describes covalent bases

Would gallium, atomic #31, likely form a action or an anion?