The actual density of iron is 7.874 g/mL. In a laboratory investigation, Jason finds the density of a piece of iron to be 7.921 g/mL.

What is the percent error that is associated with Jason's measurement?

-4.7%

-0.6%

0.6%

4.7%

If a centiliter is one hundredth of a liter (0.01 L), how many centiliters are there in one liter?

How many grams of hydrogen gas would be needed to form 8.0 grams of water

Which of the following statements correctly compares the relative size of an ion to its neutral atom? A) The radius of an anion is greater than the radius of its neutral atom. B) The radius of an anion is identical to the radius of its neutral atom.

Through which of the following ways can heat be transferred? A. only by direct contact between objects at different temperatures OB. by direct or indirect contact between objects at different temperatures C.

If you drop a rubber ball covered in cooking sheet and fry it on a frying pan on hot temperature will it catch fire or will the ball melt?

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.