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Question- When 15.0mL of a 9.27E-4 M calcium bromide solution is combined with 12 mL of a 5.78e-4 potassium phosphate solution does a precipitate form?
1) For these conditions the Reaction Quotient, Q, is equal to
If possible just a brief explanation how you got the answer?
Using the enthalpy of reaction for the 2 reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone.
How many grams of urea [(NH2)2CO] must be added to 585 g of water to give a solution with vapor pressure 2.63mmHg less than that of pure water at 30 degrees Celsius
Determine the hybridization about each interior atom in the following structure. Sketch the 3 dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3
a 25.00-ml sample of orange drink with 2 g of ki and 25.00 ml of 0.0131 m kio3 added was back-titrated with a 0.0302 m
molar mass has the units of gramsmole. molar mass serves as a conversion factor between numbers of moles and mass. if
If 1.68g of Co is mixed under high pressure with 1.78g of H2, what mass of methanol( CH3OH) will be produced
Dissolving 3.49 g of an impure sample of calcium carbonate in hydrochloric acid produced .635 L of carbon monoxide (measured at 24.degree C and 773 mmHg). calculate the percentage by mass of calcium carbonate in the sample
Problem- Every alpha amino acid has at least two possible sites for acid/base reactivity: the carboxylic acid site (pKa approx 2) and the amino site (pKa 9-10). Which amino acids have a third group that can undergo acid/base chemistry
Durning the synthesis of Aspirin from Methyl salicylate we perfom a recrystallization. How do I relate the % yield of each compound to the efficacy of the recrystallization technique?
What is the specific heat of a substance that requires 124 J to raise temperature of 95.5 g from 20.0 degrees celsius to 25 degrees celsius?
The vapor pressure of CCl3F at 300 K is 856torr. If 11.5 g of CCl3F is enclosed in a 1.0 -L container will any liquid be present? If so define what is the mass of liquid in grams
A student dissolves 7.39 g of and unknown protein in 0.286 l of water at 300k. She measures the osmotic pressure to be 3.932 x 10^-3 ATM.
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