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a) Calculate the change in entropy (deltaS) when one mole of diamond is heated from a temperature of 0 K to 400 K at a constant pressure of 1 bar. The temperature-dependent heat capacity of diamond is Cv ? 2.9x10-7 T3 J/(mol K), where T is the absolute temperature in K. b) Given that the entropy of diamond is zero at 0 K, calculate its absolute molar entropy at 400 K from the above result.
What is the volume of 0.5694 moles of gold? Density of gold is 19.30 g/mL The atomic mass of gold is 196.97.
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of 4.00 g of this compound produced 5.87 g of carbon dioxide and 2.40 g of water.
Consider a 53.5 g sample of H2O(g) at 117°C. What phase or phases are present when 134 kJ of energy is removed from this sample.
How much KClO3 in grams is needed to generate 7.50L of O2 at pressure of 1.00atm and temp of 298K?
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola..
Reaction of p-aminophenol with acetic anhydride to produce acetylaminophenol, In an experiment, acetylaminophenol is produced from the reaction of p-aminophenol with acetic anhydride.
Can you please explain the molecular bonding of hydrocortisone. How many functional groups and what are they? I need the explanation of the actual chemical structure
A small immersion heater is used to heat 475 mL of water from 75 degrees Fahrenheit to 195 degrees fahrenheit in 5.00 minutes.
How much heat is evolved in converting 1.00 mol of steam at 145°C to ice at -50.0°C? The heat capacity of steam is 2.01J/g?°C and of ice is 2.09J/g?°C.
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