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A sealed container holding 0.0255 L of an ideal gas at 0.991 atm as well as 69 °C is placed into a refrigerator also cooled to 41 °C with no change in volume. Compute the final pressure of the gas.
Calculate the change in molar entropy when 2.00 miles of ozone are compressed isothermally to one quarter of its original volume. Treat ozone as an ideal gas.
The decomposition XY is second order in XY and has a rate of 7.02 E-3 M-1. s-1 at a certain temperature. A. What is the half-life for this reaction at an initial concentration of 0.100M
The active ingredient in Pepto-bismol is bismuth subsalicylate, C7H5BiO4. Analysis of a 1.500-g sample of Pepto-Bismol yields 346 mg of bismuth. What percent by mass is bismuth subsalicylate. (Assume that ther is no other bismuth containing compou..
a stock solution of perchloric acid is 70.5 by mass hclo4 and 29.5 by mass water. the density of the solution is 1.67
When 0.154g of sulfur is finely ground and melted with 4.38g of camphor, the freezing point of the camphor is lowered by 5.47 degrees Celsius. What is the molecular weight of sulfur and What is its molecular formula
Include square brackets around the coordination complex. Do not include the oxidation state on the metal. Use parentheses only around polyatomic ligands. For ethylenediamine use (en) in the formula.
a graduated cylinder contains 129 of water. a 17.0 piece of iron density 7.86 and a 21.0 piece of lead are added.
question 3 grams of propane burns and warms 100 grams of water from 20 degrees celsius to 100 degrees celsius. what is
Sn2 requires a strong nucleophile while E2 requires a strong base. But relatively compared if you have a very strong base the E2 is preferred. Why is it so?
Calculate the frequency of the photon emitted by a hydrogen atom when its electron droops from the n=3 state to the n=1state
Draw a band diagram for thermal/photo (Intrinsic) and doped (Extrinsic) semiconductors and explain the origin of semiconductivity.
a flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree celsius. the total
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