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A second-order reaction required 53.8s for the concentration to drop from 0.50 M to 0.36 M. What is the value of the rate constant?
what is the final mass upon mixing 8.54 mL of HCl and 8.54 mL of NaOH, both solutions have an initial concentration of 2.00 M.
calculate the mass of silver chloride required to plate 215 mg of pure silver if silver chloride contains 75.27
A solution contains a mixture of Cl- and Br- ions. Can both be positively identified? Briefly explain. Write appropriate equations to support your answer.
1 mole equivalents of sodium hydroxide ( 2 mol dm^-3 solution) will be required to form the phospharane (ph3p=CHCOOEt) from the phosphonium salt (Ph3P+CH2COOEt Br-) . what volume of sodium hydroxide solution needs to be added
Calculate the mass of glucose in a 110 sample of a 1.14 M glucose solution.
What is the heat of reaction for 1 kg of the mixture calculated using heat of combustion data for a fuel comprised of 10% ethanol and the rest octane? How much is the heat of reaction reduced by adding the 10% ethanol to the octane
Would applying a high pressure stabilize the CsCl form, or the NaCl form of this compound? (hint: calculate the volume per formula unit)
The two molecules have the same molecular geometry but different electron pair geometries. The two molecules have different electron pair geometries. The two molecules have the same electron pair geometry but different molecular geometries.
Predict if the following conditions would result in the formation of a preecipitate: a. 0.0025 M Fe3+ at pH 6.00 b. 0.0025 M Ba2+ and a 1.25x10-4 M solution of sodium sulfate c
Which salt is least soluble in water. sodium chloride, iron sulfide, cooper bromide or ammonium sulfide
find the contact time for inactivating gardia cysts.how much contact time would be required for inactivating
You are carrying out tlc with a mixture of two compounds A and B. A is less polar than B. On a REVERSE PHASE plate
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