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What volume of O2 (g) is consumed in the combustion of 75.6L C3H8 (g) if both gases are measured at STP?
If the sample contains a combined total of 1.75 grams per mole and has a total mass of 51.0 grams, what are the percentages of CO2 and Ne in the sample by mole?
How many grams of sodium lactate should be added to 1.00 L of 0.150 lactic acid ( or ) to form a buffer solution with = 4.10? Assume that no volume change occurs when the sodium lactate is added.
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 25*C:
According to the Vsepr theory which one of the following species should be linear, What is the approximate bond angle for H2O?
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
What is the percent purity of the calcium hydroxide if the titration requires 7.81 mL of the acid to reach the endpoint?
write the charge balance for a solution containing H+, OH-, Ca+, HCO3-, Ca(HCO3)+, Ca(OH)+, K+ and ClO4-
Calculate the enthalpy change associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 110.0°C. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K
how do you think the appropiate enzyme would have affected the reaction (degree of completeion,yield,stereochemistry
How many molecules of ethanol C2H5OH are present in 135 g of ethanol? The density of ethanol is 0.789 g/cm3?
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