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Are total emissions or per-capita emissions a better gauge when comparing the CO2 emissions of various countries? Why?
The reaction above took place and 3.25 liters of oxygen gas were collected over water at a temperature of 27*C and a pressure of 765 milimeters of mercury. The vapor pressure of water at 27*C is 30.0mm of mercury. What is the partial pressure of t..
Calculate the heat energy released when 19.6 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
A solution is made by dissolving 0.150 moles of benzoic acid (ka=6.5*10^-5) and 0.300 moles of sodium benzoate in enough water to give exactly 1.00 L of solution what is the solution pH
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
What is the osmotic pressure, in atm, of a solution formed by dissolving 14.1 g of CaBr2 in 0.670 L of water at 53.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
2I2 + N2H4 4HI + N2 a.How many grams of I2 are needed to react with 36.7 g of N2H4?
Give the order of colors in a rainbow from shortest wavelength to longest wavelength and provide approximate numeric values for the highest
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
How much energy in kJ is needed to heat 5.00g of ice from -10.0oC to 30.0oC? The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
Will ethyl acetate move fumaric and maleic acid up tlc plate. Can you explain in terms of polarity.
Codeine, C16H21NO3, is a monohydroxic derivative of morphine with pkb=6.05. Calculate the PH of a 80.0 ml soultion that contains 6.5 mg of codeine
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