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1. what is the temperature of .49 mol of gas at a pressure of 1.2 atm and a volume of 12.4 L? 2. A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an altitude, where the pressure is 375 mmHg and the temperature is -16.9. C assuming that that balloon can freely expand, calculate the volume of the balloon at this altitude in L. 3. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 5.8-L bulb, then filled it with the gas at 1.30 atm and 22.0C and weighed it again. The difference in mass was 8.7g . Identify the gas. 4. A 1-L flask is filled with 1.30g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. What is the pressure of argon Par in the flask? What is the partial pressure of ethane, Pethane, in the flask? 5. 14.0 moles of gas are in a 5.00 L tank at 23.4 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L2*atm/mol2 and b=0.430L/mol
at 80c the vapor pressures of pure liquids x y and z are 385 190 and 68 mmhg respectively. what pressure must be
How many moles of sodium bromide can be produced from the reaction of 1.03 moles of sodium with 0.650 moles of bromine gas? 2 Na(s) + Br2(g) > 2 NaBr(s)
Arrange the following isoelectronic series in order of decreasing radius, from largest to smallest Cl- p^3- Ca^2+ K+ S^2-
The solubility of calcium carbonate (CaCO3) is 9.3 multiplied by 10-3 g/L. Calculate the solubility product of this compound.
Drawa a fat (oil) molecule representing corn oil. The fatty side chains that you need to include are two of the esters group derived from oleic acid and one from the linoleic acid. Draw the structure of this oil clearly with appropriate double bon..
the vinegar that are generally sold in the grocery stores it is described as 5 vv ch3cooh acetic acid.determine the
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
Assuming the turbine is well insulated, what is the maximum power that can be generated by the turbine?
What mass of sucrose should be combined with 453 of water to make a solution with an osmotic pressure of 8.00 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
rewrite the equation so heat of reaction (delta H) equals deltaHf for 4PCl3 (g) yields p4(s) + 6Cl2 (g) Values for delta HF in Kj/mol are:
nbspthe density of diamond is 3.63 gcm3 and the density of lead is 11.0 gcm3. if equal masses of diamond and lead are
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