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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?
Problem- how many grams of NaCh3COO and HCH3COO need to be added to 0.0500L of H2O to create a buffer that is 100mM Acetic acid buffer. pH=5.0
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
2.50g of KClO3 decomposes by the equation: 2KClO3=2KCl+3O2. What volume of O2 is produced at 25 degree C and a pressure of 750 mmHg
a quantity of1.526g ofphenolc6h6o was burned in a constant-volume bomb calorimeter.consequently the temperature of the
Acetylene gas (C2H2) burns with oxygen in an oxyacetylene torch to produce carbon dioxide, water vapor, and the great heat needed for welding metals. The heat of combustion of acetylene is 1259 kJ/mol.
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
ethyl acetate:petroleum ether was used to elute the chlesterol before dichloromethane
In the SN1 reaction of 2-methyl-2-butanol with HCl to prepare 2-chloro-2-methlybutane (t-amyl chloride), what are the side products that are formed. And what is the major side product
How many grams of solute are needed to make each of the following solutions?296.5 mL of 0.333 M barium acetate
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
If a chemical reaction occurs at a rate of 2.25 * 10-2 moles per liter per second at 322 K, what is the rate expressed in moles per liter per minute?
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