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calculate w and ?U when 1 mole of xenon gas assumed ideal under goes adiabatic expansion from 27?c to 127? assuming(heat capacity of constant volmue=12.5)
a sample of an ethanol-water solution has a volume of 54.2 cm3 and a mass of 49.6g. what is the percentage of ethanol in the solution?
At a pressure of 1.00 atm and a temperature of 20 degree Celsius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
What is the vapor pressure of a solution that contains .944 moles Ba(NO3)2 and 30 moles of H2O? The vapor pressure of pure water at the same temperature as the solution is 46 torr
Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
The molar heat capacity of silver is 25.35 J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
when zinc metal is placed into a copper (II) nitrate solution, a single-displacement reaction occurs. Write a balanced equation to describe this reaction.
Working with Temperature and Gas 1. What is the final temperature if 25 mL of milk 3.0 degrees Celsius is mixed with 150 mL of coffee at 95 degrees Celsius? Start by writing the equation that shows conservation of energy. State any assumptions you..
When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 to 32.33 degrees celsiuc. What is the delta E reaction?
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
Calculate how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve this. (I found this to be 11.59 drops
how many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride reacts with excess water according to the following equation? SOCl2+H2O --> 2HCl+SO2
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