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A gas has a volume of 800.0 mL at minus 23.00 °C and 300.0 torr. What would the volume of the gas be at 227.0 °C and 600.0 torr of pressure? 2. 500.0 liters of a gas are prepared at 700.0 mm Hg and 200.0 °C. The gas is placed into a tank under high pressure. When the tank cools to 20.0 °C, the pressure of the gas is 30.0 atm. What is the volume of the gas? 3. What is the final volume of a 400.0 mL gas sample that is subjected to a temperature change from 22.0 °C to 30.0 °C and a pressure change from 760.0 mm Hg to 360.0 mm Hg? 4. What is the volume of gas at 2.00 atm and 200.0 K if its original volume was 300.0 L at 0.250 atm and 400.0 K. 5. At conditions of 785.0 torr of pressure and 15.0 °C temperature, a gas occupies a volume of 45.5 mL. What will be the volume of the same gas at 745.0 torr and 30.0 °C? 6. A gas occupies a volume of 34.2 mL at a temperature of 15.0 °C and a pressure of 800.0 torr. What will be the volume of this gas at standard conditions? 7. The volume of a gas originally at standard temperature and pressure was recorded as 488.8 mL. What volume would the same gas occupy when subjected to a pressure of 100.0 atm and temperature of minus 245.0 °C?
For each of the following determine whether the calculated molarity would be too low too high or unaffected and explain why a. you did not react all of the excess zinc before filtering the reaction mixture
Concentrations of Components in an Equilibrium, The following equilibrium process at 686 deg. C. CO2(g) + H2(g) f/r CO(g) + H20 (g)
A 35.0-mL sample of 0.20 M LiOH is titrated with 0.25 M HCl. What is the pH of the solution after 23.0 mL of HCl have been added to the base?
describe three distinctly different reactions of furan which confirm the relatively smaller aromatic resonance stabilization of furan compared with thiophene and pyrrole (reactions which lead to non aromatic products)
a researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in
Vitamin C, Molar mass 176.12 g/mol, is a compound of C, H, and O, and found in many natural sources, especially citrus fruits. When 1.000 g sample of vitamin C is burned in a combustion apparatus, the following data are obtained
calculate the theoretical mass of ca2 ion in one tablet in grams if there is 750 mg caco3 and 320mg calcium per tablet.
a solution of ethanol c2h5oh in water is prepared by dissolving 63.5 ml of ethanol density 0.79 gcm3 in enough water
calcuate the number of moles of HCI and of NaOH present when mixing 50.0mL
Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
a 105.5 mg sample of a white substance is suspected to be cocaine c17h21no4. the substance formed 279.3 mg of co2 and
how many of the following combination of reactants would result in a chemical reaction being observed. Aditition of liquid bromine to an aqueous solution of NaCl Aditition of liquid bromine to an aqueous solution of NaI Bubbling chlorine gas
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