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Calculate the work associated with the compression of a gas from 121.0 L to 80.0L at a constant pressure of 20.7 atm. Show work thks.
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g.
Boron has two stable isotopes with masses of 10.01294 u and 11.00931 u. The average molar mass of boron is 10.81 u. What is the percent abundance of each isotope?
mole of naphthalene(C10H8), a solid, is burned in a constant- volume bomb calorimeter at 298K, 5150 kJ of heat is evolved. Calculate delta H for the raction on a molar basis.
How do you derive the Schrodinger equation for a right angle isosceles triangle?
For the following amino acids, indicate how they might interact to contribute to the tertiary or quaternary structure of a protein. choose from among the following: disulfide bond, salt bridge
The activation energy for a particular reaction is 88 kJ/mol. By what factor will the rate constant increase when the temperature is increased
Why is the boiling point of octane, C8H18, higher than that of methane, CH4, if they are both nonpolar molecules? 7-Using a diagram to illustrate your answer, explain the effect of temperature on the vapor pressure of a liquid.
How many grams of water can be cooled from 54.7 ? to 43.1? by the evaporation of 19.7 g of water? The heat of vaporization of water in this temperature range is 2.40 kJ/g
Bovine serum albumin (BSA) is a biochemically useful protein. A 0.225 gram sample of bovine serum albumin is dissolved in water to make 0.117 L of solution,
What is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters
the temperature decreases by 0.2010 K. Calculate the molar heat of solution of KCN.
Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..
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