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The warm source of a Carnot cycle consists of a blast furnace operating at a temperature of 150C, while the cold source consists of melting ice at 0C. Explain when the cycle is in operation, 500kg of ice melts each hour. If the cycle operates for 3 hours, compute (a) the net heat absorbed from the warm source and (b) the net heat given away to the cold source. Presume the latent heat of fusion at 150C is 0.3337 10^6 x J kg-1
While 41.67mL of the calcium hydroxide solution is added to a 250.00mL volumetric flask, as well as water is added to the mark, explain what is the final calcium ion concentration (morality)
Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol required to achieve this
Draw the structure of the product that is formed when diphenylmethanone undergoes a reaction with PhMgBr and then is treated with water.
Consider the reaction of NaNO2 in water, using the Kb of NO-2. Calculate ?G° for the hydrolysis at 298K.
A reaction mixture initially containing 0.520 M H2S and 0.520 M SO2 was found to contain 1.0 x 10 -3. A second reaction mixture at the same temperature initially contains 0.245 and 0.335. calculate the equilibrium concentration of H2O in the secon..
A sample of sulfur weighing 0.210g was dissolved in 17.8g carbon disulfide. (Kb= 2.340C/m ) If the boiling point elevation was 0.1070C, what is the formula of a sulfur molecule in this environment
You need 70.2 J to raise the temperature of 34.0 g of ammonia from 23°C to 24°C. Calculate the heat capacity of ammonia.
Describe the steps to be taken in the laboratory if a large bottle of acetone (noncorrosive, nontoxic, highly volatile, water-soluble, flammable solvent) is broken and spilled.
Hydrocarbons are often reacted with steam to form H2, as shown for propane: C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
a nugget of gold with a mass of 521g is added to 50.0ml of water. the water level rises to a volume of 77.0ml. what is
What is the pH of a buffer made by combining 0.025 moles potassium acetate with 0.015 moles acetic acid in 200 mL of water
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
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