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Using the following data, calculate the pressure of 100.0mol of CO(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aCO=147.2L2kPa mol-2; bCO=0.0395L mol-1)
Calculate the pH at the equivalence point in the titration of 54 mL of 0.10 M methylamine with a 0.20 M HCl solution. Ka = 4.4 X 10^-4
calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate cano32 to
How much energy is required to heat 10.0 g of ice from -50 to 50 degrees C. The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/K mol for ice and 75.3 J/K mol for liquid water.
The Orsat analysis of the flue-gas gives 13.9% CO2, 0.8% CO, 4.3% O2, and 81.0% N2. Calculate the percent of excess air based on complete combustion of the coke.
What is the value of Î"Go in kJ at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s)
What alkyne (or diyne) yields the following oxidative cleavage products. CO2+CH3(CH2)8CO2H
A sample may contain any or all of the following ions: Hg22+, Ba2+, and Mn2+. No precipitate formed when a solution of NaCl or Na2SO4 was added to the sample solution
In a reaction that is first-order with respect to reactant A and second-order with respect to reactant B, what will happen to the rate of the reaction if we
The products formed in several reactions are given below. Identify the reactions (labeled x and y) and write the complete balanced equation for each reaction
What volume of 0.200M HCl must be added to 250.0mL of 0.300M sodium mandelate to produce a buffer solution with a pH of 3.37.
A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
a 34.9-g sample of an unknown metal initially at 232.8oc is immersed in a 17.0-g sample of water specific heat 4.184 j
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