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Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing process for CO2. For each process discuss the change in enthalpy and entropy that occurs. For each process describe the conditions (in terms of temperature) that support a thermodynamically favorable change, and the conditions that do not support a thermodynamically favorable change.
It is desired to inflate a baggie with a volume of 959 milliliters by filling it with hydrogen gas at a pressure of 0.544 atm and a temperature of 284 K. How many grams of H2 gas are needed?
The DHfus of ethanol (C2H5OH) is 4.60 kJ/mol. How many kilojoules of heat are required to melt 24.5 g of ethanol at its freezing point.
Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
Geometric isomers illustration, This is more of a theoretical question I think. Co(NH3)5ClBr has two compounds for that one formula.
How much energy (in kilojoules) is needed to heat 3.20 of ice from -14.5 C to 23.5 C? The heat of fusion of water is 6.01, KJ/Mol and the molar heat capacity is 36.6 J/
Compute the mass of salt required to bring the freezing point of 200 mL of H 2 O from 0 degrees C to -5 degrees C.
a certain amount of NH4OCONH2 is placed in an evacuated rigid container and allowed to come to equilibrium. Calculate the total pressure in the container at equilibrium.
Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)
Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86 0C)
Regiochemistry and stereochemistry in diels-alder reactions, How does one predict which regioisomer forms as the major product when more than one product can form? How does the dienophile affect the stereochemistry of the product?
Calculate the concentration of a solution of FeCl3 was prepared by dissolving 13.86 gm of FeCl3 in 2.5L of water.
A gas mixture contains 1.25 g N2 and 0.85 g O2 in a 1.55-L container at 18 °C. Calculate the mole fraction and partial pressure of each component in the gas mixture.
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