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Use the modified form of the Clausius-Clapeyron equation to estimate the boiling point of water at 24.0 torr pressure. (?Hvap = +40.66 kJ/mol)
How much heat is required to warm 219 g of ice from -45.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
What molar ratio of sodium acetate to acetic acid (NaAc/HAc) should be used in preparing a buffer having a pH of 4.35? (Ka = 1.8×10-5 for acetic acid.)
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 130 atm at 20 C. What is the volume of air in the tank (in liters) at STP?
orbits around a definite point in space made of neutrinos and electrons D) is not a definite point in space, but rather it is a cloud of smaller particles called quarks that deflect alpha particles
2NO(g) + O2(g) 2NO2(g) Given that we start with 0.035M NO(g) and 0.035M O2(g) AND end with 0.012M NO2.
Calculate the amount of heat in J required to heat 2.00 grams of ice from -12.0 C to 88.0 C. The heat of fusion of water is 6.02 kJ/mol the specific heat capacity of ice is 2.09 J/gC
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
Nitration of chlorobenzene (C6H5Cl) occurs- faster than nitration of benzene and gives a mixture containing mostly o-and p-chlorobenzene
How much energy (in kilojoules) is required to convert 270 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
You have a 1 L. container of a gas O2 at 20 degrees celcius and 1 atm. subtracting the weight of the container, what is the mass of the gas?
At what pH will an aqueous solution of 0.210 M Mn2+ begin to precipitate as Mn(OH)2 at 25 °C? The Ksp for Mn(OH)2 is 1.9 x 10-13
Determine the mole fraction of sodium chloride(NaCl) in the solution if this solution is formed by mixing 17.0 grams of sodium chloride NaCl in 85.0 grams of Water?
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