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What temperature would have to be maintained to have 1.4 moles of CO2, at 78 kPa, occupy a volume of 22.4 L?
a. 0.0067 Kb. 273 Kc. 150 Kd. none of the above
3000 MT of a 6-10-16 fertilizer was prepared by mixing ammonium sulfate (95% purity), phosphoric acid (95% purity), muriate of potash (95% purity), and gypsum (90% purity). Calculate how much of the gypsum was used.
How can Infrared Spectrometry and/or NMR spectroscopy be useful in helping to identify structural features of an adduct
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What is the cell potential for t..
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/°C, what is the value of DH°rxn. The molar ma..
the rate of a first order reaction is 4.6 x 10 to the -4 power at 638k. if the activation energy is 104 kjmol calculate
what is the photoelectric effect? what can you conclude about the nature electrons in an atom from this phenomenon?
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
a 1.30 sample of dry ice is added to a 760 flask containing nitrogen gas at a temperature of 25.0 and a pressure of
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
At 580 nm the wavelength of its maximum absorption, the complex FeSCN2+ has a molar absorptivity of 7X10^3 L cm-1 mol-1 calculate
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
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