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A thin rod L meters long has a linera density that varies as \(\rho (x) = \rho_{0} e^{-ax}\). Find the mass of the rod
Thiosulfate was used to mask the copper in a 20.00 mL aliquot. Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and
Regarding the reaction of the products that correspond to syn addition of Br2 to trans cinnamic acid and those that correspond to anti addition, why would you isolate a pair of enantiomers rather th
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 1) .12 M HF pH = ? 2) a mixture that is 0.12 M HF in and 0.12M in NaF. pH =?
What would you predict the flux of glucose through glycolysis and gluconeogenesis is in the mutant bacterium compared to the wild type, is it likely to be increased or decreased
Calculate the minimum number of grams of propane, C3H8(g), that must be combusted to provide the energy necessary to convert 3.28 kg of ice at -11.0°C to liquid water at 80.0°C.
The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 27.0 g of C2Cl3F3 from a liquid at 12.00°C to a gas at 68.00°C.
Determine each of the following. 1) the initial pH? 2)the volume of added acid required to reach the equivalence point
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode (with saturated KCl)
The reaction is in acidic environment accoridng to MnO4(-)(aq) +As2O3 (s) = H3AsO4 (aq) +Mn(2+ )(aq) a. Balance in acidic B calculate the molarity of the KMnO4 solution.
If the flywheel on my truck has a mass of 22.8Kg a radius of .4572 meters and is rotating at 250 revolutions per minute
How high could a 2800lb car be lifted by a gallon of gasoline given that the heat of combustion is 46.9kJ/g. The cylinder temperature is 2200K and the exit temperature is 1200K. Density of gasoline
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
If the ultimate BOD of waste is 24mg/l and the BOD5 of that waste is 16mg/l, how much oxygen per liter would the waste consume in 7 days
The titration of a 23 ml sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine the following? the initial pH, the volume of added base required to reach the equivalence point
what is the DO concentration at saturation in water if the temperature is 10degree celcius and pressure is 1 atm?express your answer in mg/l of O2(oXYGEN).
If 85g of propane C3H8 is completely combusted with oxygyen to form catbon dioxide and water ,how many grams of oxygen are consumed
Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left.
Two particles of masses m and 3m are moving toward each other along the x-axis with the same speed v. Determine the final speed of the heavier object
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OHdepending on the reaction conditions
A compass originally points North; at this location the horizontal component of the Earth's magnetic field has a magnitude of 2e-5 T. What is the magnetic dipole moment of the bar magnet
A 0.15 kg baseball is hit by a baseball bat. Right before it is hit, the ball's speed is 30 m/s, find the magnitude of the net impulse that is applied to the ball
Calculate SO (universe) for the formation of 1.00 mol of HCl (g) from gaseous hydrogen and chlorine at 25 OC. Is the reaction spontaneous at that temperature
A croquet mallet delivers an impulse of 8.07 N s to a 0.54- kg croquet ball initially at rest. What is the speed of the ball immediately after being struck
The meniscus of mercury in a glass capillary tube is convex because of A)the very high density of mercury as compared with water. B)the low surface tension of mercury