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A 12.4 mL sample of liquid butane (density = 0.573 g/mL is evaporated in an otherwise empty container at a temperature of 30.3 C. The pressure in the container following evaporation is 885 torr. What is the volume of the container?
The mass of an electron is 9.109 x 10-?31 kg. What will be the velocity of the escaping electrons under these conditions. What is the de Broglie wavelength of the escaping electrons
a 4.50 gram sample of licl at 25.0 dissolves in 25.o ml of water also at 25.0 celsius. the final equilibrium
Octane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 1.00 gal of C8H18?
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
Below is the 1H NMR spectrum of the following triazine structure. In the expansions of the spectrum, place the observed multiplicity in the bin above the resonance.
A refrigerator is the reverse of an engine: work is performed to remove heat from a system, making it colder. The efficiency of a refrigerator (often termed the coefficient of performance) is defined as q3/wcycle = Tlow/(Thigh-Tlow).
Which of the following rtansitions in a hydrogen atom would emit radiation having the highest energy. A) n=1 to n=2 B) n=2 to n=6 C) n=6 to n=4 D) n=4 to n=1 E) n=3 to n=2 Please explain the answer to me as well.
Using the value of Ksp for Ag2S, Ka1 and Ka2 for H2s, and Kf=1.1x10 to the fifth for AgCl2, calculate the equilibrium constant for the following reaction:
How many moles of oxygen are combined with 4.20 moles of chlorine atoms in C2O7?
What mass of aluminum, in grams, can be heated from 24.5C to 44.0C by a quantity of heat sufficient to raise the temperature of 125 g h2O through this same temperature interval
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions?
A 20 degrees Celsius, the solubility of potassium nitrate is 30g in 100g of water. A 35 gram solution of potassium nitrate in water was determined to contain 10 grams of KNO3
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