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A reaction with the activation energy Ea= 153.00 kJ/mol, has a rate constant k = 6.400 x 10(-4) at 364.00 Kelvin. Determine the temperature required to increase the rate constant 5 times . R = 8.314 J K-1mol-1
During the discharge of an alkaline battery, 4.90of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge?
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range. CaCO3(s) -> CaO(s) + CO2(g)
A sample of argon has a volume of 205 cm3 when its temperature is -44.0 oC and its pressure is 712 mm of Hg. What would be the volume of the argon at STP?
An automobile gasoline tank holds 36 kg of gasoline. When the gasoline burns, 95 kg of oxygen is consumed, and carbon dioxide and water are produced.
How do the strengths of London forces compare in CO2 and CS2? Which of these is expected to have a higher boiling point?
The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 400C. Calculate the vapor pressure of pure ethanol at 400C
One observation well is located 45 meters away and has a water surface that is 44.35 meters above the bottom of the aquifer. A second observation well is located 85 meters away and has a drawdown of 0.25 meters. What is the coefficient of permeabi..
Calculate the kg of fuel used for 100 kg mol of outlet ?ue gas and the kg mol of air used. (Hint: First calculate the mol O2 added in the air, using the fact that the N2 in the ?ue gas equals the N2 added in the air. Then make a carbon balance to ..
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still
assume no cooling of the metal during transfer. When thermal equilibrium is attained, the temperature of wate-plus-metal has risen to 28.8*C
Compare and contrast continuous spectrum and line spectrum as they relate to the elements. Describe how spectral lines can be used to identify elements.
A copper wire (density = 8.96 g/cm3) has a diameter of 0.44 mm. If a sample of this copper wire has a mass of 50. g, how long is the wire?
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