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Three beakers contain clear, colorless liquids. One beaker contains pure water, another contains salt water, and another contains sugar water. How can you tell which beaker is which? (No tasting allowed!)
How many total moles of ions are released when the following sample dissolves completely in water?
in a calorimeter 10.0 g of ice melts at 0 oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
when 157mg of dipentylamine was added to 122mg of benzoic acid and 2 ml of water a completey homogenous solution was
Calculate the volume in liters of a 0.00360 mol/L calcium sulfate that contains 75.0g of calcium sulfate (CaSO4)
For each of the following reactions indicate which substance is oxidized and reduced. Which substance is the oxidizing agen and which is the reducing agent
Question- 1. Calculate the pH of the resulting solution if 34.0 ml of 0.340 HCl (aq) is added to 24.0 ml of 0.440 M NaOH (aq) 2. Calculate the pH at the equivalence point for the titration of 0.250 M CH3NH2
A solution contains 10.0 g of KOH and 900.0 mL of water. The volume of the solution is 904.7 mL. (A) Which component of the solution is the solute? Which is the solvent? (B) What is the molarity of the solution? C) What is the weight percent of KO..
a stock solution of perchloric acid is 70.5 by mass hclo4 and 29.5 by mass water. the density of the solution is 1.67
Draw the skeletal structure of meso-2,6-diaminopimelic acid (meso-2,6-diaminoheptanedioic acid). (Show one wedge bond, one dashed bond, and two sticks attached to the chiral carbon.
It is the peak of WWI and German scientist Haber is making ammonia for munitions production. This is initially a slow process but the laboratory has enough money for top of the line equipment. How could this scientist speed up the process
Why has fluorine been added? The structure is Cephalosporin.
Determine the oxidation state for the following element in the compounds indicated;sulfur in H2SO4,nitrogen in NO2
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