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14.0 moles of gas are in a 8.00L tank at 20.9°C . Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if the expansion occurs against a constant pressure of 5.00 atm.
Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) ClO3-aq) + As(s) Æ HClO(aq) + H3AsO3(aq) ClO3
describe and explain the possible effect on your results of the following experimental errors or variations. a) you added only enough 3 M H2SO4 to bring the pH down to 4. b)your reaction mixture had an oily layer on top when you added the 3 M sulf..
Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
before addition of any HCl (b) after addition of 25.0 mL of HCl (c) after addition of 50.0 mL of HCl (d) after addition of 100.0 mL of HCl
how many total moles of gas are produced? B. If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced? C. Express your answer using two significant figures. How many grams OF N2are produced in th..
Copper metal has a specific heat of 0.385 J/g·°C. Calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0°C to 875°C.
how many moles of dinitrogen tichloride correspond to 645 mg of dinitrogen trichloride? how many nitrogen atoms would
Explain what is the difference between the syn and anti additions in terms of the nature of the product and its optical activity
Project in Quantum Chemistry - The project is about The Self-Consistent Field (SCF) Method, Quantum Chemistry.
What volume of a 0.113 M perchloric acid solution is required to neutralize 36.9 mL of a 2.94E-2 M calcium hydroxide solution
which of the following glycosidic linkages would promote the formation of a helical structure
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