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An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol^-1.
1. If the vapor pressure of water had not been taken into account, what would have been the calculated value of R?
2. If the syringe volume had been incorrectly read giving a calculated system volume of 25.6 mL what would have been the percent error in the calculated value of R?
3. 1) what is the volume of one mole of hydrogen gas at 273 K and 760 torr?
2) what is the volume of one mole of oxygen gas under the same conditions?
3) what does this suggest concerning the ideal gas law?
4. Show how boyles and Charles' laws may be derived from the ideal gas law.
5. Two moles of an ideal gas originally at 380 torr and 298 K are compressed at constant temperature to 680 torr. Find the initial and final volumes.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
After the reaction was complete, nitric acid was added to dissolve the AgSO3 but not the AgSe. The Ag+ from the dissolved Ag2SeO3 and the excess reagent required 16.74mL of 0.01370 M KSCN in a Volhard titration. How many milligrms of Se were conta..
List the letter that corresponds to the reagent from the reagent table you need to carry out the following synthesis in 5 steps or less. Heat may not appear on the reagent table with the reagent
What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
what is the structure of an ester of 2-methylpropionic acid that has the molecular formula: C8H13ClO2 and 5 signals in its 1H NMR spectrum?
Calculate the density of a piece of wood that is found to have a mass 2.34 g and is placed in a graduated cyclinder with 34 ml of water, which then rises to 50 ml with the block of wood
What would the atom ratio of 206-Pb to238-U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238-U)= 4.5 × 10^9 yr.
Calculate the standard reduction potential for the reaction for the reaction Cu(III) to Cu(II).
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
What is the total pressure in mmHg of the mixture after it is placed in a container 1/2 the volume of the original container?
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D
The activation energy for the isomerization of methyl isonitrile (see figure) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 493 K.
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