The number of atoms in 1 mol of carbon is

a. 6.02x10^22

b. 6.02x10^23

c. 5.02x10^22

d. 10.02x10^26 e) none of the above

Calculate your experimentally determined percent mass of water in Manganese (II) sulfate monohydrate. Report your result to 2 or 3 significant figures, e. g. 9.8% or 10.2%.

Object A has a mass of 12 g and a density of 3 g/cm3. Object B has a mass of 12 g and a density of 5 g/cm3. Which object has a greater volume and by how much? Object A, by 2 6 cubic centimeters Object A, by 1.

If South America were not there, explain how the direction of South equatorial current would be different

Which is denser, a solid solution, a gaseous solution, or a liquid solution

A solution containing large amounts of solute in comparison to solvent is what?

Which pair of nitrogen bases will form a bond in a DNA molecule? a. cytosine and adenine b. adenine and thymine c. guanine and thymine d. thymine and cytosine

Most meteors that fall into the earths atmosphere burn up before reaching the ground. Why is this?

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy.

Which of the following requires an oxidizing agent? Al yields Al3+ 2 O yields O2 Cl2 yields 2 Cl- Ag + yields Ag

Type of ion formed by group 2A elements