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Problem- Carbon dioxide dissolves in water and water evaporates into the atmosphere during the experiment. How do these two factors affect the results of your analysis in this experiment? Where an experiment of an Alka Seltzer tablet is put in a mixture of vinegar and water.
Please take care to reply the question as mark are evenly granted for each point
How many g or H2O are created with excess CO2 and 168 g of KOH from the following chemical reaction? CO2 + 2 KOH -----> K2CO3 + H2O
If the freezing point constant for water is 1.86 ºC/m and assuming ideal conditions, determine the freezing point of a 0.0100 m aqueous solution of Na2SO4.
assuming the density of water is 1.00gml at ambient temperature what is the exact volume in ml of teh 250-ml erlenmeyer
What is the Ka of the amino acid glutamine if it is 33.0% dissociated at pH = 8.82
Write an equation, using the curved-arrow notation, for the acid-base reaction that will take place when each of the following are mixed. If no appreciable acid-base reaction takes place
When diluting the juice samples with water, you did not need to be as accurate as in previous measurements. Why was the same level of precision not required?
Give at least 3 reasons why sulfonylamide diuretics such as 'Furosemide' do not possess antibiotic activity?
Mixture of low molecular weight alkanes, less than 15 carbons in the molecule;
Silver chloride usually does not ppt in solution of 1.0M NH3. However AgBr has a smaller Ksp. Will AgBr ppt form a solution containing 0.01M AgNO3, 0.01M NaBr and 1.0 M NH3? Ksp = 5 x 10^-13
the normal boiling point for mercury is 357c. what is the boiling point at an elevation where the atmospheric pressure is 635 torr.
Indicate which of the following are reasons for performing a simple distillation in this procedure (more than one answer may be correct): a. To obtain pure diethyl ether
how many grams of carbon dioxide are produced from the combustion of 250. g of ethanec3h8in the reaction
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