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what mass of limestone must have dissolved if 3.05x10^10 kg of calcium hydrogen carbonate was produced?
CaCO3(S)+H2CO3(aq)-> Ca(HCO3)2(aq)
fundamentals of acids and bases.1. water self ionizes to a small extent creating equal concentrations of hydronium and
What is the average current passing through a solution of NiSO4 if 1.25 g of Ni were deposited in 4.07 hours? i = A
If the correct mass percentage of HC2H3O2 in the vinegar is 5.40%, why does trial 2 give the best results. What is the percent error of this trial
Diamonds have successfully been prepared by submitting graphite to high pressure. Calculate the approximate minimum pressure needed at 298 K to turn graphite into diamond.
what purpose does the addition of bromine serve in the procedure described for the isomerization of dimethyl maleate
If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity of the outer atom?
When a 0.6333-g sample of a compound of carbon, hydrogen and sulfur was burned in excess oxygen, 0.9272 g CO2, 0.3795 g H2O and 0.6749 g SO2 were obtained. In a separate experiment, it was found that, for fixed temperature and pressure
a mixture of nitrogen and hydrogen reacts as fully as possible to form a 56 l mixture of ammonia and hydrogen at stp. when this mixture is compressed to 10.0 atm and chilled to 200.0 K, all of the ammonia is liquefied leaving 3.2 L of hydrogen sti..
Draw the structures of the byproducts of this type that would be derived from the reaction of the carbocation derived from 2-bromo2-methylbutane in ethanol.
If heat is given off by a system then the heat has a negative sign If work is done on a system then the work has a negative sign Work, heat and temperature all have units of joules The 1st law of thermodynamics is represented
The activation energy of a certain reaction is 45.4kJ/mol. At 28 degrees celcius, the rate constant is 0.0150s^?1. At what temperature in degrees Celsius would this reaction go twice as fast?
the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
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