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a) A cylindrical gas chamber at a constant temperature has a piston at one end that can be used to compress or expand the gas. If the gas is initially at 1.22 atm when the volume is 7.26 L, what will the pressure be if the volume is adjusted to 3.60 L?
b) A sample of argon gas at a constant pressure of 715 mmHg and a temperature of 26°C occupies a volume of 8.97 L. If the gas is heated to a temperature of 71°C, what will be the volume of the gas sample?
c) A sample of krypton gas occupies a volume of 6.68 L at 64 °C and 361 torr. If the volume of the gas sample increases to 8.99 L while its temperature increases to 114 °C, what will be the resulting gas pressure in torr?
d) If 3.3 grams of gas occupies a volume of 3.0 L at 520 mmHg and 151 K, what is the gram/molecular weight (gram/mole) of the sample?
a student titrates an unknown amount of potassium hydrogen phthalate khp with 47.5 ml of a 0.1000 m naoh solution. khp
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
Consider the monobromination of 4-ethylheptane using Br2 and UV light. How many unique alkyl halide products could be formed during this reaction
Polonium crystals have a simple cubic unit cell. If the edge length of a unit cell is 310. pm, what is the radius a polonium atom
What mass (in g) of iron is needed to evolve 730.5 kJ of heat under standard conditions as it forms iron(III) oxide
Calculate the mass of ammonium chloride that must be added to 500.0 mL of 0.32 M NH3 to prepare a pH 8.50 buffer; Kb for NH3 is 1.8 × 10-5.
The concentration of carbon monoxide in an urban apartment is 48 micrograms per cubic meter. What mass of carbon monoxide in grams is present in a room measuring 11.0 ft x 11.5 ft x 20.5 ft
Which is more acidic three floro pentonoic acid or three nitro pentonoic acid
The diffusion coeffiicent of a particular kind of t-RNA molecule is D=1.0x10^-11 m^2 s^-1 om the medium of a cell interior. How long does it take molecules produced in the cell nucleus to reach the wall of the cell at a distance 1.0um, correspondi..
A 706 mL gas sample at STP is compressed to a volume of 248 mL, and the temperature is increased to 39?C. What is the new pressure of the gas in Pa.
When 0.250 grams of a polymer were dissolved in 22.9 mL of benzene at 21.6 degrees C, the osmotic pressure was found to be 0.044 atm. Calculate the molar mass of the protein.
Generate the conversion equations to calculate the degrees in Celsius, Fahrenheit and Kelvin. Hint: Freezing point of water is found at 5.5 'N
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