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Estimate the ratio of the concentrations of the acetylsalicylate ion to acetylsalicylic acid that has a pH adjusted to the 4.13 by the use of strong base or strong acid. Aspirin is a product of the
What will the final temperature of the mixture know the specific heat of water is 4.18 J/go C if 100 g of liquid water at the 100 o C and 200 g of water at 20 o C are
Strontium cyanide has both covalent and ionic bonds. Outline the Lewis structure for this chemical. Is this molecule polar or non-polar?
Estimate the boiling point of a solution which is obtained by dissolving the 1 mole of a solute in the 1 kilogram of water. First use the equation relating the boiling point depression to t
At 5:00 am there are 400 bacteria in the dish. At noon there are 1400 bacteria in dish. At this rate how many bacteria must one expect to determine in the dish at midnight?
Discuss is the potassium hydroxide used in this experiment a catalyst or a reagent? Explain by showing the balanced reaction equation.
Explain why the number of GC peaks observed for the alkenes product in this experiment is smaller than the number of isomeric alkenes that are produced in this reaction
The bicycle has the front wheel with the diameter of 24cm and the backwheel with the diameter of 60cm. Through what angle in radians front wheel turn if back wheel turns through 12rad?
The force of 623 lbs. is needed to pull the boat up the ramping clined at 22.0 degrees with horizontal. How much does the boat weigh?
Determine value for x when y=4. Compute value fory when x=1/2. Compute equation for quadratic relationship which has vertex(-4,6) and has point(5,-8).
Make sure to include the activating reaction among FeBr3 and Br2 in your mechanism. Give a detailed, stepwise mechanism for the reaction of benzene with the Br2 and FeBr3.
Consider L be line given by x+2y=1. Determine quadratic equation in x that provides distance from the point (x,y) on line L and origin (0,0). This must involve minimizing quadratic equations.
Height of the point on Ferris wheel as a function of time is provided by h(t)=59+27sin(25(pi)(t)/36), where h is height in feet and t is time in minutes. Determine approximate value of h(t) when t=5
Use the minimum of one fraction between intergers. For instance, 1/2 could be utilized for it is fraction between 1 and 2 then 3/4 not required. Search your experience with graphs and list informati
Determine the final temperature when at 20.0 degrees Celsius the 25.0ml of warm water at 80.0 degrees Celsius is added to 50.ml of cooler water.
For functions f(x) =x4 - 4x3 + 4x2 and g(x)= x2/3(x2-4), determine (a) Interval on which function is increasing and decreasing (b) Functions' local and absolute extreme values.
What will it volume be at STP? A gas at 25.80 degrees Celsius and a pressure of 750mmhg occupies a volume of 400.0ml.
Determine the difference in populations of 119Sn spins in a magnetic field of 9.4 Tesla at room temperature?
Determine the H-C and C-N bond lengths from these data. The rotational spectrum of the HCN shows absorption at the 88631.62 MHz and that of DCN at 72414.61 MHz.
Determine the degeneracy of the level that has energy 7 times the energy of the lowest excited level and explain the quantum numbers for each of the states. Consider a particle in a cubic box.
Assume that 50.0 mL of 0.400 M HCl and 100.0 mL of 0.200 M CsOH are mixed in a calorimeter. The final temperature after the reaction is 24.28 degrees C and the solutions start out at 22.50 degrees C
The solutions start out at 22.50 degrees C, and the densities of the solutions are all 1.00 g/mL and the final temperature after the reaction is 24.28 degrees C, and the specific heat of the mixture
You are working in marketing dept. of company which makes this microwave and you inquired to find the price p which would yield profit of $9 million. Is this possible?
At 200°C the 5.0 moles of PCl5 are placed in a 10.0 L flask and allowed to come to equilibrium. Analysis shows that the 1.0 mole of Cl2 is present in the equilibrium mixture. Determine t
What fraction of the sample will still be radon-222 after 1 week? A sample of radioactive radon-222 was found to have a half-life of 3.823 d. Suppose the radioactive decay to follow the first-order