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Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero. This turns out to also be true for any cyclic process that returns the system to its original state. This is what suggested that dqrev / T is the derivative of some new state function (entropy)
25 mL of 0.3 M HCl are diluted to 500 mL. What is the molarity of the resulting HCl solution.
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
A gaseous mixture of O2 and N2 contains 40.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 405mmhg
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
Large quantity of ammonia are burned in the presence of platinum catalyst to give nitric oxide as d first step in the preparation of nitric acid.
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed? C3H8 + 5 O2 → 3 CO2 + 4 H2O
a rigid tank of 0.03(cubic meters) volume contains a mixture of liquid water and water vapor at 80kPa. The mass of the mixture in the tank is 12kg. Calculate the heat added and the quality of the mixture when the pressure inside the tank is raised..
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