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Calculate the mass of PbCl2 that will dissolve in 50 mL of water if the solubility product constant is 1.61*10^-5?
There are very few compounds that contain an element from the noble gas family (elements in column 18, rightmost column). Explain why there are so few noble gas compounds in nature.
A water skier is pulled by a net force of 135 N and has an acceleration of 1.8 m/s2. What is the mass of the skier.
An ideal gas is in a cylinder with a volume of 250.0 mL at a temperature of 25 ºC and a pressure of 700 torr. The gas is expanded to a volume of 1.0 L and the temperature increased to 500 ºC.
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
How many grams of Ammonium phosphate need to be combined to 500 and
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
Gas tank holds 42kg of gasoline. When gasoline burns, 147kg og oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
Calculate the solubility of BaSO4 in (1) pure water, (2) 0.0125 M BaCl2, and (3) 0.0125 M KCl. What effect do BaCl2 and KCL have on the solubility of BaSO4?
If a 180mg piece of gold (density =19.32g/cm^3 ) is hammered into a sheet measuring 2.1ft x 1.0ft , what is the average thickness of the sheet in meters?
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
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