a student determined that 8.2 milligrams of oxygen is dissolved in a 1000 gram sample of water at 15 degrees Celsius and 1 atm what type of solution is this sample

There are two steps in the extraction of copper metal from chalcocite, a copper ore. in the first step, copper (i) sulfide and oxygen react to form copper (i) oxide and sulfur dioxide: (s) (g) (s) (g) in the second step, copper (i) oxide and carbon

how many grams of solid lithium must be added to liquid after in order to obtain 15.0 L of hydrogen gas at STP?

Why is it important for scientist to review and repeat the work of other scientists?

2. The operation 12.34 + 56.78 will have a final answer calculated to the place. tens ones Correct answer 3 tenths hundredths

Look carefully at Data Table 1. Do solutions and liquids of ionic or covalent character tend to conduct electricity best? ionic or covalent

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?

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.