Which compounds, in the list provided below, have double or triple bonds?

LiBr : N2 : CCl4 : AlCl3 : CaCl2 : SiO2 :

When combined two gases have a pressure of 4.0 atm. if one has a pressure of 1.5 atm, what is the pressure of the second gas?

What is generally true about the compressibility of solids? A. It is higher than the compressibility of gases and liquids. B. It is lower than the compressibility of plasmas and gases. C.

Suppose you added a spoonful of sugar to hot water and another to ice-cold water. which type of water will cause the sugar to dissolve more quickly?

Which of the following elements is not diatomic? a. Neon. b. Nitrogen. c. No right choice.

The student's lab manual says to mix some of his Na2CO3 solution with an aqueous solution of copper (II) sulfate (CuSO4) What evidence of a chemical reaction would he expect to see? Explain your answer.

Which process is a chemical change? burning a match boiling water melting ice breaking glass

What form of matter is "vapor"? a. a solid made of a substance that is usually liquid c. a gas made of a substance that is usually solid b. a liquid made of a substance that is usually gas d. a gas made of a substance that is usually liquid

Which of the following atoms releases more energy than oxygen when an electron is added to its valence energy level? Select one: a. helium (He) b. fluorine (F) c. carbon (C) d. nitrogen (N)

End-users of natural gas include (check all that apply) :

Angle of incidence and refraction for air at 0 degrees?