Chapter 2: Q40P (page 36)
The total pressure of a pressure cooker filled with water increases to when it is heated, and this pressure is maintained by the periodic operation of a relief value. Use Figure 10.24c to estimate the temperature of the water in the pressure cooker.
The water temperature is 420 K
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The reaction is first order, with a rate constant of
2.2 ร 10-5s-1 at 320ยฐC. The partial pressure of SO2Cl2(g) in a sealed vessel at 320ยฐC is 1.0 atm. How long will it take for the partial pressure of SO2Cl2(g) to fall to 0.50 atm?
Estimate the percent ionic character of the bond in each of the following diatomic molecules, based on the dipole moment.
The rate for the oxidation of iron(II) by cerium(IV)
is measured at several different initial concentrations of the two reactants:
(a) Write the rate expression for this reaction.
(b) Calculate the rate constant k and give its units.
(c) Predict the initial reaction rate for a solution in which[Ce4+] is 2.6 ร 1025 M and [Fe2+] is 1.3 ร 1025 M.
Question: For the H atom, the transition from the 2p state to the 1s state is accompanied by the emission of a photon with an energy of. For an Fe atom, the same transition (2p to 1s) is accompanied by the emission of X-rays of 0.193-nm wavelengths. What is the energy difference between these states in iron? Comment on the reason for the variation (if any) in the 2p-1s energy-level spacing for these two atoms.
Question: At 1200 K in the presence of solid carbon, an equilibrium mixture of CO and(called โproducer gasโ) contains 98.3 mol percent CO and 1.69 mol percent of when the total pressure is 1 atm. The reaction is
(a)Calculateand.
(b)Calculate the equilibrium constant.
(c)Calculatefor this reaction.
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