Molecules that contain nothing but hydrogen and carbon are

What is the process used for extracting metals from ores? A. ore B. s. lag C. alloy D. smelting

A metal weighing 7.101 g is placed in a graduated cylinder containing 33.0 mL of water. The water level rose to the 37.4 mL mark. a) Calculate the density of the metal (in g/mL).

In order for them to work, what must the control rods in a nuclear reactor contain? A. neutron-emitting material B. neutron-absorbing material C. uranium-235 D. water

Which type of reaction is caused by particle accelerators?

At what temperature will 55 g of Pb (NO3) 2 dissolve?

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?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.

The number of grams present in 1.35 mol of Fe is