Which elements make up most organic compounds?

A.

Carbon and Hydrogen (also Oxygen, Nitrogen, Phospohorus, and Sulfur)

B.

Helium, Neon, and Argon

C.

Carbon and Krypton

If the partial pressure of N2 in a scuba divers blood at the surface is 0.79 atm, what will the pressure be if he/she descends to a depth of 30 meters (4 atm) and stays there long enough to reach equilibrium (b)

A student conducted an experiment and combined sodium chloride with magnesium hydroxide to produce sodium hydroxide and magnesium chloride. The student collected the 120 grams of NaOH.

What percent of the sun's light does the moon reflect back? Why is it such a low number?

Br2 + NaF - > Which best completes the chemical equation?

Which of the following gives the definition of ion-dipole attraction? Select the correct answer below: O a. lon-dipole attraction is attraction between an ion and the polar bond (s) in a nonpolar mo b.

How many dozen kernels of corn are in a 50 pound bag of corn

How does magnesium obey the octet rule when reacting to form compounds

Is heat conductivity a physical or chemical property?

When 5800 joules of energy are applied to a 15.2-kg piece of lead metal, how much does the temperature change by

What is 230 in scientific notation?