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Calculate the pressure exerted by 0.3000 mol of helium in a 0.2000 L container at -25 °C using
a. ideal gas law
b. van der Waal'sequation
What is the difference between the non-ideal and ideal gases?
Given:
aHe= 0.0341 atm·L2/mol2
bHe= 0.0237 L·mol
12.0 moles of gas are in a 3.00l tank at 22.7c. calculate the difference in pressure between methane and an ideal gas
calculate p value for each ion Ba 2+, Mn 2+and Cl- in a solution that is 4.62 x 10^-3 M in BaCl2 and 1.78 M in MnCl2
a 255-ml flask contains pure helium at a pressure of 745 torr. a second flask with a volume of 455 ml contains pure
Write balanced equations for the combustion of methane, CH4(g) and octane C8H18 in air. The products are carbon dioxide and liquid water. Calculate the standard enthalpy for each equation called the heat of combustion.
Calcium hydroxide, Ca(OH)2, dissolves in water to the extent of 1.04 g/L. What is the value of Ksp for Ca(OH)2
From the perspective of a chemist, explain what a crystal is. Choose two examples of crystals, and explain how they are chemically similar to and different from one another.
Molarity of sodium carbonate, How many grams of primary standard grade sodium carbonate are necessary to prepare 2.00 L
An equilibrium mixture of NO(g), O2(g) and NO2(g) is allowed to expand from 1.0 to 2.0 L at a constant temperature. Given that 2 NO(g) + O2(g) 2 NO2(g) which of the following statements is correct
A 0.5118g sample of CaCO3 is dissolved in a 12 M HCl and the resulting solution is diluted to 250.0mL in a volumetric flask. How many moles of CaCO3 are used (formula mass=100.1)
If 4.50 g of methane gas (CH4) is in a 2.00-L container at 35°C, what is the pressure in the container?
Write the Kb reaction of hypochlorite, OCl-. Given that the Ka valuse for HOCl is 3.0x 10^-8 calculate Kb for OCl-
Assume the only MgCO3 could produce gas CO2 what percent of original sample was magnesium carbonate? What was the pressure of the CO2 produced
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