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A liquid has a heat of vaporization of 30400 J/mol. At 271 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid?
A) 213 KB) 242 KC) 308 KD) 373 KE) 271 K
Do you think you could distinguish between 3-methylcyclohexene and methylenecyclohexane by their GC retention times?
Solid potassium ,K , can be reacted with molecular oxygen , O2 to form K2O. If 4.3 g of potassium are reacted with 2 dm^3 of pure O2 at 20 degree celsius and 101.325 kPa what will be the mass and/or volumes of all substances present after the reac..
an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?
What is the vapor pressure of CS2(in mmhg) at 28.0 degrees Celcius? Carbon Disulfide, CS2 has a Pvap = 100mm at -5.1 degrees celcius and a Hvap = 28.0 kj/mol
Arrange the molecules in order of decreasing boiling point Molecules are methane, dimethyl ether
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI
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The analysis showed 92% CO2, 2.2% NO, 1.7%SO2 and 4.1%H2O by mass. what is the partial pressure exerted by nitric oxide (NO)
Substance A has a greater molar mass then substance B. Both are nonelectrolytes. If 50 g of substance A are dissolved in 250 g of water in one beaker
Ammonia reacts with hypobromite, OBr-, according to the equation below. Find the molarity of OBr- is 13.35mL of solution reacts with 4.66mg of NH3 (molar mass = 17.03). 2NH3 + 3OBr- ----> N2 + 3Br- + 3H2O
Perform whatever separations and tests you think necessary to determine which ions are in fact present
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