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Suppose that in the reaction Q + R --> P, only the product, P, is colored.
What happens to the absorbance at the analytical wavelength for P of the mixture as the reaction progresses?
Suppose you do an experiment involving this reaction in which Q is present in large excess of R. If this reaction is first order with respect to R, would the graph of ln A for P versus time be straight line?
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline
The rate constant of a chemical reaction increased from 0.100 to 3.10 upon raising the temperature from 25.0 to 51.0. Calculate the value of 1/t2-1/t1
detailed reaction mechanism for the acid-catalyzed hydrolysis of lactose to its component monosaccharides
A reaction mixture for an enzyme assay has a final volume of .210 ml iin the buffer .030 Mtris hydroxymethaneaminomehtanne, 4.0 mM ethylenediameinetretraacetic acid, .4 mM beta mercaptoethanol
Using reaction equations illustrate how would synthesize each of the subsequent from the indicated starting materials. Provide all appropriate reaction conditions.
The decomposition of N2O5 yields NO2 + NO3 proceeds as far as a first order reaction with a half life of 30 seconds at a certain temperature. If the initial concentration {N2O5}0=.4 M define what is the concentration after 120 seconds
Problem- The vapor pressure of toluene is 8 kPa at 40.3 C and 2.67 kPa at 18.4 C. Calculate (a) the heat of vaporization and (b) the vapor pressure at 25 C.
An electric power station burns 5.0 ´ 105 tons [1 ton = 2000 lbs] of coal annually. Assuming that the coal is 100% carbon, calculate the volume of CO2 emitted at STP by this power plant annually. [1 lb = 453.6 g].
A hot air balloon is filled with air to a volume of 4.00x10^3 meters cubed at 745 degrees celcius. the air in the ablloon is then heated to 62 degrees celcius, causing the balloon to expand to a volume of 4.20x10^3 meters cubed.
An experimenter makes up a solution of .310 mol Na3PO4, .100 mol Ca(NO3)2, and .150 mol AgNO3 in 4.000L of water solution. Note any precipitations that occur, writing a balanced equation for each. Then, calculate the molarities of each ion in the ..
Transesterification occurs when an alcohol (in excess) reacts with an ester. Draw the skeletal structure of the ester formed when ethyl propanoate (propanoate = propionate) reacts with 1-propanol.
What mass of solid sodium formate (of MW 68.01) must be added to 110 mL of 0.55 mol/L formic acid (HCOOH) to make a bu?er solution having a pH of 3.84? Ka = 0.00018 for HCOOH
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