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An airplane is pressurized to 650.0mmHg , which is the atmospheric pressure at a ski resort at 1.30×104 ft altitude. If the partial pressure of oxygen drops below 100.0 mmHg, passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped
Suppose the current flowing from a battery is used to electroplate an object with silver. Calculate the mass (in grams) of silver the would be deposited by a battery that delivers 1.25 A/hr of charge.
Include activity coefficients in your solubility-product expression. The Ksp of Hg2I2 is 4.6× 10-29.
Iodine gas and bromine gas combine to form iodine monobromide according to the following equation with an equilibrium constant of 1.2 x 102 at 150 0C. I2 (g) + Br2 (g) 2IBr (g)
Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 28 degrees celsius what would the rate constant be at a temperature of 150 degrees celsius for the same reaction descrabed in part A?
Calculate the solubility of Ag2CrO4 in grams per liter under following conditions (the solubility product constant for silver chromate is 1.1 x 10-12)
Refer to the Galvanic cel below (the contents of each half-cell are written beneath each compartment):
Use the thermodynamic data in Appendix B to calculate the standard cell potential and the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
At 1000 K, a sample of pure NO2 gas decomposes. 2 NO2(g) ->2 NO(g) + O2(g) The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.44 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
Consider the monobromination of 4-ethylheptane using Br2 and UV light. How many unique alkyl halide products could be formed during this reaction
Estimate the mass of water that must evaporate from the skin to cool the body by 0.50^circ C. Assume a body mass of 85 kg and assume that the specific heat capacity of the body is 4.0 {rm{J}}/{rm{g}}; cdot ;^circ {rm{C}}.
Find the ratio of the rms speed of He to that of Xe at 30 degrees Celsius. Find the average kinetic energy per mole of He and Xe at 30 degrees Celsius. enter your answers in scientific notation.
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