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a. Illustrate that the rate at which shaft work is obtained or needed for a reversible change of state in a closed system at constant internal energy as well as volume is equal to the negative of the product of the temperature as well as the rate of change of the entropy for the system.
b. Illustrate that the rate at which shaft work is obtained or needed for a reversible change of state in a closed system at constant entropy as well as pressure is equal to the rate of change of enthalpy of the system.
An isotonic solution is described as 0.92% NaCl (g/mL). Would this also be the required concentration for isotonic solutions of other salts, such as KCl, MgCl2,
A 9.55 gram sample of solid sodium hydroxide dissolves in 100.0 grams of water in a coffee-cup calorimeter, the temperate rises from 23.6 degrees Celsius to 47.4 degrees Celsius. Calculate enthaply( in kJ/mol NaOh) for the solution process.
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
Using the average initial pH of your acetic acid solutions, and the average molarity of those solutions, calculate a value of Ka for acetic acid. when initial pH is 2.63 and average molarity is 0.06475.
The flue gases leave the heater at 410 F. Of the entering methane, 70% burns to carbon dioxide and 30% burns to carbon monoxide. What volumetric flow rate of fuel gas is required if there are no heat losses to the surroundings?
Experiment Initial Initial Initial [A], Mol/L [B], Mol/L Rate 1 0.10 0.10 1.4 x 10^2 2 0.20 0.10 2.8 x 10^2 3 0.20 0.10 5.6 x 10^2 What is the rate law for the reaction. A) rate= k [A][B] B) rate= k [A]^2[B]^2 C) rate= k [A] D) rate= k [A][B]^2 E)..
(Nitration of Methyl Benzoate Worksheet Lab) The nitric acid used in the experiment is greater than 90% pure nitric acid. Why does the yield decrease as the percentage of water in the nitric acid increases. Why is the nitration of aromatic rings a..
What is the molarity of the new solution. If the temperature of a sample of water requires 3.2 KJ of heat to raise the temperature from 26.1 C to 36.2 C, how much water was in the sample
what are the differences between alkenes and alkynes? what are the differences between cis- and trans-isomers? how are
This question observes reactions with charged electrophiles. Define how can each of these solvents help or hinder the rates of nucleophile, such as Br-, with electrophile carrying positive charge leaving group, such as (CH3CH2)2CHOH2+
A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the cylinder is 771 torr, what is the pressure that is due to the ..
The half-life of carbon-14 is 5730 years. Therefore, 5730 years after being cut from a tree, a piece of wood will have 50.0% of the carbon-14 that it had originally.
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