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What is the equilibrium constant for reaction below at 25 degreesC? (R = 8.314 J/K*mol). MgCO3(s) -->? MgO(s) + CO2(g) given delta G of formation [MgCO3(s)] = -1028.2 kJ/mol, delta G formation [MgO(s)] = -568.8 kJ/mol, and delta G formation [CO2(g)] = -394.4 kJ/mol.
how many liters of ethylene glycol ch2ohch2oh should be added to a car radiator that contains a total of 6.5 l of
The following questions concerning electrolysis of molten sodium hydride (NaH), the products are Na(?) and H2(g). Which of teh following statement(s) is (are) correct
Draw the structure of the product that results from the complete reduction of cyclohexanone
Calculate the vapor pressure at 25 degree C of hexane above the solution. The vapor pressure of pure hexane at 25 degree C is 151 torr
Use Slater's rules to calculate the shielding constant and effective nuclear charge for a 5s, 5p, and 4d electron in the tin atom. Which of these electron experience the lowest effective nuclear charge
lungs now contain 0.15 moles of oxygen gas, and 0.60 moles of nitrogen gas. If your lungs are at 1.4 atm of total pressure, what is the partial pressure of oxygen gas inside your lungs?
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
What is the ratio of ionized to unionized molecules at pH 8.5. What percentage of the molecule is ionized at pH of 8.5
when 2.45 g of an unknown weak acid ha with a molar mass of 85.0 gmol is dissolved in 250.0 g of water the freezing
how many kilocalories are needed to heat the 1700kg of water from 56 degrees fahrenheit to 167 degrees fahrenheit?
How much will the reaction speed increase if the concentration of NO is increased from exactly 0.35 moles/liter to exactly 1.51 moles/liter while the concentration of oxygen
A Pb-Sn alloy containing 40 wt% Sn is cooled from the liquid state to room temperature. How much of each phase is present in the material at room temperature. Sketch the expected microstructure.
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