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1 mole of liquid water at 0°C and 1 atm pressure is irreversibly converted into steam at 200°C and 3 atm. Assume the following: (i) liquid water has constant density of 1g/cm^3 and heat capacity Cp = 1 cal/gK. (ii) the heat of vaporization of water at 100°C IS 540 cal/g. (iii) assume that steam (otherwise an ideal gas) has a heat capacity given by
Cp = 8.81 - .0019T + .0000022T^2 (cal/K mol)
Calculate the Q, W, delta E, delta H and delta S for this process
Explain how it is that the concentrations of chloride ions in these beakers are different even though the concentrations of each substance(compound) are the same.
how is the rate of consumption of O2 related to the rate of consumption of NH3 in the reaction 4NH3 + 5O2 -->4NO +6H2O?
Nylon undergoes depolymerization when heated in aqueous acid. Propose a reaction mechanism that accounts for this fact, using curved arrows to symbolize the flow of electrons.
with a density of 3.00 g/mL is mixed with a 50.0 mL sample of a pure liquid, liquid B with a density of 2.00 g/mL. What is the total volume of the mixture
Calculate the entropy and the free energy of mixing for ethanol and water at 25c if the mass percent of ethanol is 15
which of the following reactions are redox reactions? for those reactions that are redox reactions identify the
a sample of gas is collected over water at a temperature of 35.0C when the barometer pressure reading is 742.) torr. What is the partial pressure of oxygen?
When aluminum is placed in a concentrated hydrochloric acid, hydrogen gas is produced. 2Al (s) + 6HCl (aq) ------> 2AlCl3 (aq) + 3H2 (g) What Volume of H2 (g) is produced when 4.10 g of Al (s) reacts at STP
Estimate how long it will take for the bleach molecules to diffuse through the extent of the room, assuming that the bleach bottle is in the center of the room, and the room is perfectly square, and is a 10 foot x 10 foot room.
A certain quantity of a gas occupies 61.3 mL at 68 ?C. If the pressure remains constant, what would be the volume of the gas at 128 ?C?
What is the partial pressure of Br2 at equilibrium? What is the partial pressure of I2 at equilibrium? What is the partial pressure of IBr at equilibrium?
The rate constant for a certain chemical reaction is. 0.0125 L mol^-1 s^-1 at 25 degree Celsius and 0.0125 L mol^-1 s^-1 at 50.0 Celsius. What is the activation energy for the reaction, expressed in kJ mol^-1
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