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pressure will be measured (in Pa) if a gas is exerting a force of 10.00 N on a mercury barometer with an inner diameter of 10.00 mm? Recall that the area of a circle is A = ? r2 and that 1 N = 1 kg m/s2.
2NOCl(g) = 2NO + Cl2 When 3.00 mol of NOCL is heated to a given temp. in a 2.00 L container, 1.70 fol NOCL remain at equilibrium. a.) Calculate the equilibrium concentration of each substance in the reaction
A 62g piece of ice at 0 degree celsius is added to a sample of water at 9 degree celsius. All of the ice melts and the temperature of the water decreases to 0degree celsius. How many grams of water were in the sample ?
the value of the molar absorptivity is 4.84*10^3 M^-1 cm^-1 for K2CrO4 at that wavelength. what is the concentration of the solution
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
Which of the following molecules are polar? (There may be more than one; choose ALL the polar molecules for full credit)
We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams.
What volume of ammonia gas measured at 762 mm Hg and 21.0 °C must be absorbed by the same solution to neutralize the HCl?
Draw the structure of the compound identified by the following simulated 1H and 13C NMR spectra.
What volume of a concentrated HCl solution, which is 36.0% by mass and has a density of 1.179 g/cm3, should be used to make 5.1 L of an solution with a pH of 1.5.
When 4.220 g of calcium hydroxide is reacted with a 30.0 mL of a 0.200 M sulfuric acid solution how many grams of calcium sulfate and water are formed?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
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