A plastic cup is filled with 15.5 grams of water. The cup is sealed and placed in the freezer. The water freezes and turns to ice. The next day, the ice is taken out of the cup and massed. What is the mass of the ice?

If 0.0203 g of a gas dissolves in 1.39 l of water at 1.02 atmospheres at what pressure (in atm) would you be able to dissolve 0.146 g in the same amount of water?

Calculate the mass of calcium sulfate that can be produced when 4.070g of calcium oxide react with excess sulfuric acid

Which of the following might a physicist choose to study? O A. The effects of fast pitches on wooden baseball bats O B. The effects of water pollution on tadpoles O C. The amount of salt in human saliva O D. The amount of iron in moon rocks

A 13.0 L sample of helium gas has a pressure of 29.0 atm. What volume would this gas occupy at 3.50 atm? Assume ideal behavior.

How write 5601 in scientific notation

A reaction has a rate constant of 0.0396 sec-1; how long will it take (in minutes) until 0.292 mol/L of the compound is left, if there was 0.803 mol/L at the start? (give answer to 3 decimal places) ?

Which system is responsible for defending the body against harmful substance?

Explain how the atomic theory was modified from Dalton's theory to Rutherford's. Include an explanation of why the theory was modified.

Which of the following are electromagnetic waves? sound waves water waves ground waves light waves

in general, as the temperature of a solvent increases, the solubility of any gas dissolved in that solvent: