a mixture of gases contains He (g) and Ne (g). the total pressure of the atmosphere in the container is 600 mmHg and the partial pressure of Ne (g) is 439 mmHg. Calculate the partial pressure of He (g) one the container.

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

A wire is wrapped around a piece of iron, and then electricity is run through the wire. What happens to the iron? A. It becomes demagnetized. B. It becomes permanently magnetized. C. It becomes magnetized as long as the current flows. D.

In what ways do members of different species interact?

The baseball team equipment manager received a shipment of new baseballs. Out 200 balls, 12% had defects. How many came without defects? Show work ...

Avogadro's number is used to determine the number of subatomic particles in an atom.

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?