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Consider a heat engine uses a 0.50 moles of a monoatomic ideal gas. The initial temperature is 200K where V1= 1.000L V2= 3.375 L, V3=8.210 L and V4=2.433 L while the highest temperature was observed during adiabatic process is 450 K.
-For reversible adiabatic expansion, calculate P3, w, q, U, S. (10)
-For reversible isothermal compression, Calculate the w, q, U and S. (10)
-Calculate the efficiency of the carnot cycle.
While a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.403 kJ•K-1, the temperature decreases by 0.480 K. Compute the molar heat of solution of KCl.
What is the specific heat of aluminum if 4,750 joules of heat energy added to 249 g of aluminum produces a recorded temperature change of 21.1 °C?
How many grams of methane CH4(g) must be combusted to heat 1.00 kg of water from 25 degrees celsius to 88 degrees celsius, assuming H2O (l) as a product and 100% efficiency in heat transfer
the laboratory is dissolved in 95% ethanol, diluted with water, and titrated to a phenolphthalein endpoint with 17.3 mL of 0.114 M NaOH. What is the percent purity of aspirin in the sample?
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =3 to the orbital
forty-two 42.0 grams of nitrogen gas at 298 k and 745 torr has a volume of 37.42 l. what volume will it occupy if the
why is the dissolving of ammonium chloride endotherimic? would you get similar results for dissolving all salts
A method for producing the compound C4H10(g) is based on the following reaction.
Explain the use of beta-alanine? Is it used as a H+ source, or something else? Why can malonic acid be reacted in V-D modification, while only its ester can be reacted in standard Knoevenagel condensation conditions?
write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c) calculate the percent sodium chloride in the original unknown mixture.
If the yield of this reaction is 82% and aluminum ore is 71% by mass aluminum oxide, what mass of aluminum ore must be mined in order to produce 1.0 × 103 kg (1 metric ton) of aluminum metal by the Hall process
2 tanks xy of gas are connected by a closed valve. tank x is 5 liters and has oxygen gas at a pressure of 24 atm. tank
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