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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) 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?
The atomic weight of a newly discovered el- ement is 110.352 amu. It has two naturally occuring isotopes. One has a mass of 111.624 amu.
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
What is the concentration of chromium ion present in a 0.01976 M solution of potassium hydroxide in contact with a large excess
Determining the limiting reactant and mass of the product - which reactant is the limiting reactant? What mass of product may be produced?
What is the volume of Ammonia gas is dissolved in 40.0 mL of 15.0 M NH 3 solution at STP and Determine what is the vapor pressure of a solution made by dissolving 65.4grams ammonia in 259 grams of H 2 O at 55.0 ºC?
Calculate w (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
Calculate the molar solubility of AgCl in a 1.00L solution containing 10.0g of dissolved CaCl2. Compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a pH of 9.0
Calculate the concentration of Hg2+, HgCl+, and HgCl2 that result when 1.00 L of a 0.100M Hg(NO3)2 solution is mixed with an equal volume of 0.100M HgCl2 solution.
What volume of 3.02 M HNO3 can be made by diluting 142 mL of concentrated nitric acid (16.0 M HNO3)?
An unknown gas is found to effuse at a rate that is 1.864 times faster than Br2 at the same temperature. What is the identity of the gas.
If the diameter of a sodium atom is 3.14×10-8 , how many sodium atoms would fit along a line exactly 2.00 inch long?
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
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