Which of these may be affected by solar storms?

automobile production

microwave speed

radio signals

thunderstorm patterns

A form of electricity which can attract things

Of all of the unknowns, which compounds can be separated from the unknown mixture by extraction with naoh solution?

12.5M AgNO3 is made using 3.5L H2O. How many grams AgNO3 are needed to produce the solution?

Name the element in Group 17, Period 2. (Periodic table)

Eric wants to perform an investigation on red blood cells, but before beginning his investigation, he wants to learn more about them.

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