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For the reaction 2A + B ? C + D calculate the rate-law expression and the value of the rate constant from the following data: Initial [A] mol/liter Initial [B] mol/liter Initial rate (formation of C) 0.100 0.100 3.68x10^-5 0.125 0.215 2.13x10^-4 0.100 0.150 8.28x10^-5 0.210 0.215 3.57x10^-4
A student found that a brand B tablet would neutralize 0.011 moles of HCl per tablet. Which is the better buy, brand A or brand B? Why?
An aqueous solution with a pH of 9.87 is diluted from 1.0 L to 1.5 L. What is the pH of the diluted solution. 4.84 7.07 10.05 10.42 10.78
calculate the area of the spill in cm squared and the diameter of the spill in cm. (Help: 32 oz = quart, 1 mL = 1 cm cubed; area of a circle A = pi x r squared)
What is the pressure in a 10.0L cylinder filled with .448 mol of nitrogen gas at a temperature of 315k
Can someone please provide both a CNMR and HNMR interpretation table for secbutylbenzene WITH labeled structures for each?
What mass of solution contains each of the following amounts of dissolved solute? 1.) 5.0g of sulfuric acid in a 25.0\% solution 2.) 11.0g of acetic acid in a 5.00\% solution
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
To qualify to run in the 2005 Boston Marathon, a distance of 26.2 miles, an 18 year old woman had to have competed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
how do you write two half balanced equations for the following acidic solution MnO4^-(a)+Fe(s)--->Mn^2+(aq) +Fe^2+(aq)
Consider a sample that is a mixture composed of biphenyl, benzoic acid and benzyl alcohol. predict the order of elution oc the components in this mixture. assume that the chromatography uses silica column and the solvent system is based on cyclohe..
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
how many moles of co(nh2)2 are present in 150 g of water, if the freezing point of the solution is -4.02 degrees c?
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