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The rate of the reaction in terms of the "disappearance of reactant" includes the change in the concentration of the reactant, the time interval, and the coefficient of the reactant. Consider the following reaction: 2A + 3B ----> 3C + 2D The concentrations of reactant A at three different time intervals are given. Use the following data to determine the average rate of reaction in terms of the disappearance of reactant A between time = 0 s and time = 20 s. Time (s) 0 20 40 [A] (M) 0.0400 0.0240 0.0180 Express your answer in molar concentration per second to three significant figures
The molar heat capacities of Iron and Gold are 25.19 J/(mol*(*C) and 25.41 J/(mol*(*C) respectively. What is the final temperature of the water and the metal?
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
the reaction of concentrated hydrochloric acid with zinc metal -the reaction of solid strontium carbonate with nitric acid
Products at Home Containing Organic Molecules, Find two or more products in the home that contain organic molecules. From these products, make a list of 10 organic compounds present in the products.
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
what concentration of nitrogen oxide is the rate 2.0x10^-6 mol/L-min and the bromine concentration one fourth of the nitrogen oxide concentration?
If a 220 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
A pound of coffee beans yields 40 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans?
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at 62°C at 755 torr.
An aqueous solution contains 0.455 M dimethylamine ((CH3)2NH) How many mL of 0.385 M perchloric acid would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 10.800.
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