A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?

What would be the molarity of a solution made from 86.5 g Ca (OH) 2in 200.0 ml of water?

As5F10 compound name

Fill in the blank with the molar mass of sodium oxide.

What name is given to this molecule? a. A positively charged molecule. b. This molecule consists of three hydrogen atoms bonded to an oxygen atom. c. Hydronium ion hydroxide ion water methane glucose

The processes involved in the rock cycle include all of following except

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.