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For the combustion of hydrogen H2(g) + 1/2 O2(g) -> H2O(l) the reaction Gibbs free energy is -237 kJ/mol and the reaction enthalpy is -286 kJ/mol.
A microwave oven can heat water of 305 g from 25.0° C to 100.0° C in 2.10 min. (i) Determine at what rate is energy absorbed by the water?
Diameter then shrinks, reaching its minimum, 1.4 meters, at 7:00 AM. Determine the second time after 7:00 AM that blob's diameter is 1.8 meters?
A capacitor of 39.6 µF is joined across a generator of 60.6 Hz. An inductor is then joined in parallel with the capacitor. Determine the value of the inductance when the rms currents in the in
Walter is a bass and can strike a low E that consists of a frequency of 82.4 Hz. Millie is a soprano and can sing as high as the third overtone of this note. Determine the highest frequency that Mil
The magnetic field perpendicular to the single 12.7cm diameter circular loop of copper wire reduces uniformly from 0.540T to zero. When the wire is 2.87mm in diameter, determine how much charge move
Determine the change in entropy for one mol of liquid water initially at 298 K when the temperature is elevated by 1.0 K, given Cp,m = 75.3 J/(mol K). Determine the answer in Joule per Kilogram
The capacitive reactance of the capacitor at 60.0 is around 105. Determine at what frequency is the capacitive reactance 75.0?
At 1 bar and 298 K the molar volume of liquid water is 18 cm^3/mol. When the pressure is increased by the 1 bar, analyze the change in molar Gibbs free energy.
It takes 18.5 seconds from when ride starts for Maria to reach lowest point on ride. Highest point of ride is 36 meters off the ground. How high above ground is Maria 120 seconds after ride begins?
When Young's double slit experiment was submerged into the water, explain how would the fringe pattern be modified?
By using the Henry's Law, determine the solubility of CO2 in the ocean at the 25 degrees C. The mole fraction of CO2 in the atmosphere has risen from .000314in 1962 to .000360 in 2005.
Determine the approx volume of silver nitrate solutions that will be required for the precipitation. Assume a sample mass of 0.1g, and that your unknown chloride salt contains the approx 55% c
A racing dog is primarily running at 17.0, however is slowing down. Determine how fast is the dog moving if its kinetic energy has been decreased by half?
Determine the composition of a brass alloy if 12.15 g of th ealloy reacts with HCl(aq) to yield 2.305g ofZnCl2? When the brass is an alloy of Zn and Cu. Cu does not react with HCl(aq), but does react
i) Determine how many electron ‘N’ flow in that time. ii) The electrical potential U (In µJ) generated by the battery (suppose an ideal battery)
Determine the energy difference between the most stable conformation of cis-1,2-dimethylcyclohexane and the least stable chair conformation of trans-1,3-dimethylcyclohexane by using a value of 3.6
Determine the number of moles of CCl4 formed, assuming the reaction went to completion when1.0 mol of carbon reacted with 1.00 mol of chlorine: C + 2Cl2 ® CCl4
Determine the magnitude of the velocity of an electron when its weight is to be precisely balanced by the magnetic force? The charge of the electron is q = -1.6 E-19 C and its mass is m = 9.11 E-31
Consider another state of electron that has energy twenty five times the zero-point energy. Calculate the degeneracy of this energy level?
An electron moves with a speed of around 5.0 x 10^4 m/s perpendicular to the uniform magnetic field of 0.20 T. Determine the magnitude of the magnetic force on the electron?
Calculate the concentration of the KOH solution when a quantity of 10.28 mL of a KOH solution is required to neutralize 0.4847 g of KHP.