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A solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. How many grams of sodium carbonate are present after reaction?
a student reported the follow ing percentages for his unknown mixture 25nh4cl 30 nacl and 50 sio2. assuming that the
what is a an unknown liquid substance that is insoluable in water and soluable in cyclohexane and ethyl alcohol with a
when 2.00 x 10 3 g of CaCo3 are heated the actual yield of Cao is 1.05 x 10 3 g. what is the percent yield?
Acetaldehyde is produced by the dehydrogenation of ethanol according to the following reaction: C2H5OH CH3CHO + H2 An undesired side reaction occurs, which produces ethyl acetate: 2C2H5OH CH3COOC2H5 + 2H2 In a pilot plant, the conversion of ethano..
The mass spectrum of an organic compound shows the relative abundance of M to be 34.29% and M+1 to be 8.901%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundance: 12C is 98..
When one mole of hydrogen iodide(HI) is stored in a 1-liter container at 444 oC, 22 % of HI wil be dissociated at equilibirum. Calculate the equilibrium constant of the reversible reaction of hydrogen iodide (HI)at 444 oC.
Balance the equations and indicate the type of reaction. HgO -> Hg + O2. and also AgNO3 + BeCl3 -> AgCl + BeNO3.
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
a calorimeter contains 25.0 of water at 14.0. when 1.80 of a substance with a molar mass of 82.0 is added it dissolves
The (-) enantiomer of a compound has a specific rotation [a]= -86 degrees. A sample of this pure enantiomer, when measured in a two dm sample tube, gives an observed rotation
what particle or type of radiation needs to be included to balance the equation? 234Th ? ? + beta particle? Please explain why you chose your particular answer
the average number of collisions per cubic meter per second for the molecules of argon at 0 degree Celsius and 1 bar of pressure. (d) what values would be obtained at 1000 degree celsius and 1 bar? (e) At 0 degree celsius and 100 bar
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