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Describe in words how the circle is traced out, including when and where the particles is moving clockwise and when and where the particle is moving counterclockwise. Give parameterizations of the
Estimate the molarity of HClO4 when the 15.34ml of .2345 M NaOH is needed to reach the equivalence point for the titration of 10 ml sample of HCLO4?
Determine the binding energy (in MeV/nucleon) for the following nuclides: Copper-63 ( which is having the atomic mass = 62.93960 amu)
A buffer contains 0.1500 M KNO2 and 0.2000 M of HNO2. Describe the pH after the 0.0020 mol of HCL is added to the 250 ml of this solution.(Assume there are no volume changes when the acid is added.
100.0 ml of a buffer consists of the 0.20 M NH3 and 0.01 M NH4Cl (pKb of NH3=4.75) Determine the change in pH of the solution after the 25.0 ml of 0.10 M of HI has been added?
Explain how would you prepare 150.0 ml of a buffer having a pH of 7.05 using solid sodium hydrogen phosphate and solid sodium dihydrogenphospate?
Explain which of the three reagents used in your synthesis of Alum experiment was the limiting reactant (1.5 M KOH, 4.5 M H2SO4 or the Al)? Calculate the spectrographic electron configuration for
Write the balanced equation for the reaction and determine the enthalpy change that occurs when1.5 moles of hydrazine is burned. In liquid-fuel rockets the fuels are liquid hydrazine (N2H4) and dini
A student wishes to determine the density of a solution of sodium hydroxide. He finds the mass of the flask to be 25.631 g. He finds the mass of the flask filled with sodium hydroxide solution is 36
You are evaluating that if you lower the price by £5 to £65, you will sell 40 mobile phones. You assume that you face linear demand curve. Determine profit maximizing price and quantity
Discuss how can its formation be explained? Give a balanced equation for its formation. Benzene is often formed as aside product during the Grignard reactions by using the phenyl magnesium bromide.
Instead of mercury the manometer is filled with a liquid (X) whose density is 0.579 g/cc. The pressure of an unknown gas is measured with a manometer. The pressure is calculated as 802 mmX. Determi
An aquanauts spent several weeks living under the sea at a pressure of about 7.0atm in an experiment called Sea lab II. They had a great deal of difficulty cooking, for several reasons.
Which alcohol would you expect this to be? When the Hydration of either 2-methyl-1-butene or2-methyl-2-butene yields the same alcohol, Show all the steps in the reaction mechanism.
If the oxidation number of the metal is+2 determine the molar mass of the metal when the 1.296 g of a certain metal sulfide was roasted in air, 0.780 g of the metal oxide was produced.
The complex [( bipy) 2ClRu ( pyrazine) Ru(bipy)2Cl]5+ displays an inter valence transfer absorption band at 7.79 x103 cm-1. If Etherm can be very approximately equated to Δ
Returning against wind, planes speed was 60 mph slower and flight took three hours. Determine planes speed in every direction?
She rode the bike for 4 1/2 miles and then ran other 2 miles. The total time of running and biking was an hour. How fast was she running and biking?
After twelve hours, athlete was 9.6 miles from point where marathon exercise excursion began. Determine athlete's three speeds.
The car leaves the town at 40 miles per hour. Two hours later the 2nd car leaves town traveling same route and overtakes first car in 5 hours and 20 minutes. How fast was second car traveling?
The six passenger plane cruises at 180 mph in calm air. If plane flies 7 miles with wind in same amount of time as it flies five miles against wind then determine wind speed?
If they leave from same point, at same time, Corbin walking north at 2.5 mph and Connor walking east at 3 mph, how long will they talk to each other if range of walkie-talkies is 4 mi?
Use fondamental Theorem of algebra to prove each polynomial in R[x] can be factored into the product of polynomials of degree 1 or 2, each in R[X]
Your boss has inquired you to put together the report showing relationship between the two variables. What to present and why?
Whenever the uniform random choice for first digit results in a 0, we use a 1 instead. With the new PIN generation, find probability of user U5 having PIN 1301?