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The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
If 0.300 moles of a monoprotic weak acid (Ka = 3.2 × 10-5) is titrated with NaOH, what is the pH of the solution at the half-equivalence point?
Some leaded gasoline contains about a gram of lead in each gallon. In a large city 15,500 cars commute an average of 15 miles each in cars that get an average gas milage of 19 miles per gallon. How many grams of lead are released each time these c..
When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. in an industrial preparation of silicon, 155.8 Kg of SiO2 reacts with 78.3 Kg of carbon to produce 66.1 Kg of silicon.
For the equilibrium H2(g)+ CO2(g) H2O(g)+CO(g) Kc=3.18 at 1106K. If each of the four species was initially present at a concentration of 3.000M.
At 710.mm hg a sample of nitrogen gas occiuped 625 ml.what volume does gas occupy if the temperature remains constant and the pressure increases to760.mm hg?
patient if the recommended dose is 6.50 mg of aspirin per Kg of body weight? How many molecules does the patient ingest?
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
To what volume must 558 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
Polyunsaturated fatty acids (PUFAs) have several carbon-carbon double bonds as present in beta-carotene
What significant difference would be expected between a titration curve for H3PO4 (triprotic acid) and a mixture
Solid aluminum reacts according to the balanced equation. If a total of 830 kJ of heat is produced in the reaction as written, how many moles of Al2S3 are produced?
Find the reaction order using a Powell plot or the fractional-life method and also estimate the rate constant
what controls the depth of the CCD the carbonate compensation depth?
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