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A sample of H2 gas has a pressure of 0.695 atm in a 269 mL flask. The sample is transferred to another container where it exerts a pressure of 0.330 atm. What is the volume (mL) of the second container at the same temperature?
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
Calculate the number of formula units of the compound and the number of each ion in 3.75 moles of AlCl3.
What is the concentration of vinegar in moles per liter of solution (molarity, M)?
what is the global pH change incurred after injection of the HCl? What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
At 2000 degrees Celsius the equilibrium constant for the reaction 2NO (g) N2 (g) + O2 (g) is Kc=2.4x10^3 The initial concentration of NO is 0.174 M
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
Find the expected freezing point of a water solution that contains 268 g of aluminum nitrate, Al(NO3)3, in 8.50 kg of water.
if a 1.00 g piece of gold (density = 19.32 g/cm^3) is hammered into a sheet 8.0 x 5.0 ft what is the average thickness of the sheet in meters?
How much heat in kilojoules is evolved or absorbed in the reaction of 244.0g of calcium oxide with enough carbon to produce calcium carbide?
Treatment of 2-ethyl-1-butene with H30+/H20 leads to three dimerization products of the formula C12H24. Draw the structures of all three.
anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
How many grams of oxyen are consumed, how many grams of CO2 & H2O are produced?
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