What is the ph at the equivalence point
What is the pH at the equivalence point when 100 ml of 0.15 M hydrofluoric acid HF is titrated with 0.5 M sodium hydroxide NaOH at 298K? (Ka(HF) = 7.2 x 10-4 )
Expected delivery within 24 Hours
How would the determination of bulk specific gravity of fine aggregate be affected by the 500g sample being drier than the surface dry condition ?Explain.
An open rectangular channel is 50 feet wide, flowing at a depth of 5 feet, and is carrying 1000 cubic feet per second. What is the maximum step height than can be placed into the flow without disturbing the upstream depth, without acting as a choke?
A concrete box girder bridge has the rectangular x-section. The box is prismatic and considered thin-walled. It span is L=48m and simply supported at points A,B,C and D.
Give the answer in cubic meters. how many grams of oxygen do we breathe in each day if air is 20.5% oxygen and the density of oxygen is 1.43 g/dm^3?
A quality of water within a piston-cylinder assembly executes a Carnot power cycle. During isothermal expansion, the water is heated from saturated liquid at 50 bar until it is a saturated vapor.
A 10 mL sample of an unknown aqueous nickel 2 solution was treated and found to produce 0.0532g of Ni(DMG)2 precipitate. Calculate the percent Nickel in the ore sample.
0.40 moles of a diprotic acid, H2A, is dissolved in 250 mL of water. The Ka1 of this acid is 1.0 x 10E-5 and Ka2 is 1.0 x 10E-9. What is the concentration of the di-anion, [A^2-], in this solution (in M)?
When performing a Friedel-Crafts alkylation reaction, not only does one have the problems of multiple alkylation and rearrangement of the cation, but the presence of strong electron donating groups prevents reaction. Provide an explanation for th
1947633
Questions Asked
3,689
Active Tutors
1458275
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following describes a guerilla marketing campaign? Combines multiple marketing methods and strategies
Hi, in a course for my MBA one of my assignments was to make an interview to an individual that shops online regularly.
This term describes the sampling units (counties or geographically split counties) as defined by Nielsen Media Research Inc.
When consumers are unable to articulate their experiences, what becomes particularly useful in understanding consumers preferences
All the telecommunication companies in Canada offer a similar level of customer service and are viewed as a commodity by customers.
When a marketer's brand is evaluated by a target market that engages in limited decision making, the marketer's objective is to Multiple choice question.
Having recently completed her Master of Business Administration (MBA) degree, Mitsuki understands how important identifying and satisfying the target market