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Explain if a total of 13.5 mol of NaHCO3 and 4.5 mol of C6H8O7 react, how much moles of CO2 and Na3C6H5O7 will be produced?
3NaHCO3(aq) + C6H8O7(aq) 3CO2(g) + 3H2O(s) +Na3C6H5O7(aq)
a water solution containing 2.00 g of an unknown molecular substance dissolved in 10.00 g of water has a freezing point
22-dimethyl-1-chlorobutane a primary alkyl halide and 2-chlorobutane a secondary alkyl halide while
Which ions were present in the original solution? Write net ionic equations for the formation of each of the precipitates observed.
What is the resulting temperature when 35 g of water at 75C is mixed with 15 g of water at 15C? (The specific heat of water is 4.184 J/g x C.)
the reaction of dinitrogen pentoxide with ammonia to form water vapor and nitrogen is hypothetical in the gas phase
the pressure of a gas is 817 torr at 55degc. the quantity of the gas is fixed and the volume remains constant as the
A reaction has a rate constant of 0.0867 sec-1, how much of the compound (in mol/L) is left after 0.545 min, if there was 0.528 mol/L at the start
Write net ionic equations for the reaction, if any, that occurs when acqueous solutions of the following are mixed: a) ammonium sulfate and barium nitrate
An object has a mass of 50.0g. When it is dropped into a graduated cylinder containing 15mL of water, the water level in the cylinder rises to 32mL.
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
If you have three pyruvate molecules each labeled with 14C at different positions (one is labeled at the carboxyl, one at the carbonyl, and one at the methyl), feed them sequentially to pyruvate dehydrogenase and the citric acid cycle,
The activation energy of a certain reaction is 35.3 . At 20 , the rate constant is . At what temperature would this reaction go twice as fast?
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