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What is the number of moles of an ideal gas, if the volume is 67 mL, the pressure is 716 mmHg and the temperature is 34 0C?
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
Calculate the increase in entropy when 3.50 mol of monatomic perfect gas with Cp = 5/2 R is heated from 250 K to 700 K and simultaneously expand from 20.0 L to 60.0 L.
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
20.0ml of 0.150M Zn(NO3)2 are mixed with 20.0ml of 1.00 x10-4M Na2S. Calculate the amount of milligrams of ZnS (s) that will precipitate. (Ksp = 1.6 x10-24)
Consider a rigid, adiabatic, impermeable cylinder (i.e., a closed isolated system) that consists of two chambers (i.e., simple systems) that are separated by a wall that is permeable
In an experiment, 5.00 L of N2 is saturated with water vapor at 22°C and then compressed to half its volume at constant T. (a) What is the partial pressure of H2O in the compressed gas mixture?
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
How much heat is required to raise the temperature of 7.50 grams of water from 10 degrees celcius to 55 degrees celcius
Multiple choice questions in Nuclear reactions - make nuclear fission more efficient, which device is used in a nuclear reactor to slow the speed
Why should EH&S and FS professionals avoid inhaling the smoke produced when tar paper and roofing shingles smolder and burn?
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.
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