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If 26.67 mL of a standard 0.1650 M NaOH solution is required to neutralize 25.18 mL of H2SO4, what is the molarity of the acid solution?
degree C and 600. torr contains 50% helium and 50% xenon by mass. what are the partical pressures of individual gases?
In an electrolytic cell, Cu(s) is produced by the electrolysis of CuSO4(aq). Calculate the maximum mass of Cu(s) that can be deposited by a direct current of 100. amperes passed through 5.00 L of 2.00 M CuSO4(aq) for a period of 1.00 hour.
The engine stops working when the temperature of the hot reservoir has been lowered to TC. Show that the amount of work done by the engine is W = C1(TH-TC) - C1TC ln (TH/TC).
8. The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
Find the Fourier transform of the function exp(-πx2/ σ2). Explain how the width and height of the bands are inversely related in the two domains. Why should this be so
how many grams of ammonium phosphate need to be combined to 500. grams of water if the freezing point of the solution
calculate the absorbance of a solution containing 3.70×10-5 M R and 5.64×10-4 M Q at 560 nm. Assume 1.00 cm cells for all data given.
Calculate H for the reaction of one mole of PbS with Oxygen and carbon, forming lead, sulfur dioxide and carbon monoxide.
how many moles can be produced from 2.5 moles of Ag2CO3 and final temperature of the calorimeter contents is 23.83°C After dissolution of the salt.
What is the enthalpy change for the combustion of 12.5g C4H10 in excess oxygen? C4H10 (g) + 13/2 O2 (g) ------? 4 CO2 (g) + 5 H2O (g) H0 = -1895 kJ
A 0.9092-g sample of wheat flour was analyzed by the Kjeldahl procedure. The ammonia formed was distilled into 50.00mL of 0.05063 M HCl; a 7.46-mL back-titration with 0.04917 M NaOH was required. Calculate the percentage of protein in the flour.
Calculate Delta H for the process. Given u ={(2a/RT) - b}/Cp,m; with Cp,m = 38.4j/K.mol; a=3.60dm6 atm and b= 0.44 dm3.mol.
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