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For N2(g), CP,m is nearly constant at 3.5R = 29.1 J/(mol K) for temperatures in the range 100 to 400 K and low or moderate pressures. (a) Calculate q, w, ?U, and ?H for the reversible adiabatic compression of 1.12 g of N2(g) from 400 torr and 1000 cm3 to a final volume of 250 cm3. Assume ideal gas behavior. (b) What would ?U and w be if the expansion connects the same initial and final states as in (a) but is done by having the perfect gas expand into a vacuum. I found q=0, w=deltaU= 40J, and delta H=2.00 J. I don't think these answers are reasonable. Please explain what equations i need to use.
A 10-L drum of ether at 18C is open to the atmosphere (p=760 Torr) and contains 6-L of liquid. The top is sealed and the drum dented so that it now has an 8-L capacity.If the vapor pressure of the ether at 18C is 400 Torr, What is the pressure ins..
A bankrupt chemical firm has been taken over by new management. On the property they found a 20,000 m3 brine pond containing 25,000 mg/L of salt
Tf will be negative and so you must use negative Kf values. Either way, the freezing point of the solution should be lower than that of the pure solvent. Assuming 100% dissociation, Find the freezing and boiling points of 1.85 m Na2SO4(aq).
what is the ratio of the rate of reaction A to reaction B ? B) if the initial concentrations of the reactants are both 1.80 M, what is the ratio of the rate of reaction A to reaction B ?
An adult female who weighs 164 pounds consumes on average 2470 Cal/day. If she wanted to lose 5.00 pounds in 293 days, what should her daily caloric intake
Consider the reaction NO + O3 → NO2 + O2 Which has a rate constant given by k = 1.8×10-12 e-1370/T cm3 molecules-1 s-1 .Use the following standard heats of formation.
Thermodynamic measurements reveal that ?H° = -66.3 kJ/mol and ?S° = -73.2 J/mole*K at 40°C. What is the equilibrium constant for the binding reaction at 40°C?
What volume of 0.100 M NaOH is needed to react with 11.00 g of potassium hydrogen phthalate, a monoprotic acid with a molecular weight of 132 g/mol?
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation
Calculate how many kilograms of H2 it takes to electrify an average home for a month. Assume there are 30 days in a month. (1 Whr of electricity = 3600 J) Standard Values
Zinc metal is produced by the reaction of its oxide with carbon monoxide at high temperature. The equlibrium constant for the equation
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