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A solution of water and a nonvolatile, nonionizing compound is placed in a tube with a semipermeable membrane on one side. the tube is placed in a beaker of pure water. What initial net effect will occur?
a) water will flow from the beaker to the tube
b) water will flow from the tube to the beaker
c) the compound will pass through the membrane into the solution
d) nothing will move through the membrane either way
e) equilibrium is immediately established
A 75.0 L steel tank at 20.0C contains acetylene gas (C2H2) at a pressure of 1.39 atm. Assuming ideal gas behavior, how many grams of acetylene are in the tank?
What is the pH (3 significant figures to the right of the decimal point) of a 0.0500 M solution of sulfuric acid? Remember, the first ionization constant is "large,"
Unfortunately, a mixup in the laboratory prevented an immediate analysis, and it was not until 17.0 days later that a measurement on the blood was made.
What is the product in a base catalyzed aldol condensation reaction between: 2 mmols acetone and 8 mmols benzaldehyde? 2 mmols acetone and 8 mmols 4-methylbenzaldehyde
hydrogen gas is generated when calcium reacts with water. the volume of gas collected over water at 30 degree celcius and pressure of 988 mm Hg is 641 ml. what is the mass in grams of the hydrogen gas obtained? the pressure of water vapor at 30 de..
If 114 grams of CS2 are burned in an excess of O2 (an amount sufficient to burn completely all 114 g of CS2), how many moles of SO2 are formed?
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.
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
For the following reaction, 5.21 grams of nitrogen gas are allowed to react with with 5.51 grams of hydrogen gas.nitrogen (g) + hydrogen (g) ammonia (g),What is the maximum amount of ammonia that can be formed.
for the reaction P4+S8=P4S10 what is the maximum amount of P4S10 which could be formed from 17.02 g of P4 and .128 mol of S8?
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
Calculate the partial pressure of the hydrogen gas using the atmospheric pressure and the vapor pressure of water at the temperature of the solution. Assuming ideal gas behavior, calculate the number of moles of hydrogen gas evolved.
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