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At 46 oC a sample of ammonia gas exerts a pressure of 3.19 atm. What is the pressure when the volume of the gas is reduced to one-half of the original value at the same temperature?
Octane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 1.00 gal of C8H18?
what is the lewis dot structure for if6 iodine
Assume that the vapors and solutions are ideal. Calculate the composition (mol% each component) of the condensed liquid. What is the vapor pressure of pure toluene at 94.8°C
a. what is the ph of rainwater containing no buffering other than from water itself if the current concentration of
Please give reasons for compounds like silver sulfate or silver chloride to be insoluble that relate to ionic radius.
a 100 ml stock solution contains 4.1 m na3po4. when 31 ml of the stock solution is diluted to 73 ml how many moles of
The sugar (sucrose, C12H22O11) is purchased from a sugar farmer who used to be a chemist and who packages it by the lbmol, and the process uses 1.75 lbmol/hr.
How many atoms of neon occupy a volume of 14.3 L at STP.
A sample of 2.2 mol O2 (Cop,m = 29.355 J K-1 mol-1) is originally confined in 24 dm3 at 270 K and then undergoes adiabatic expansion against a constant pressure of 600 Torr until the volume has increased by a factor of 3.0.
Teflonis a polymer synthsised by polymerisation of tetrafluoroethylene (F2C=CF2). use atomic masses: C = 12, F = 19 and answers in whole units. How many monomeric units would there be in one molecule of Teflon with a molar mass of 40000 g.
Compute pH of a solution containing .030 moles of TRIS and .020 moles of the salt TRISHCl in a total volume of 1.50L
Ag electrode in 1.0 M Ag + (aq) and Cu electrode in 1.0 M Cu 2+ (aq). What is the cell potential when the solutions are altered, so [Ag+] = 1.25 M and [Cu 2+] =0.25 M
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