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A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.329 M. The same reactant decomposes with a half-life of 213 s when its initial concentration is 0.224 M. Determine the reaction order?
Each propane tank for a grill holds 9.07kg of propane. If it takes 16.8 kJ of energy to cook the 3000 cheeseburgers need for the company picnic, how many propane tanks will be needed?
how many grams of sulfur dioxide could be formed in a mixture of 128 grams of sulfur and 100 grams of oxygen are mixed and ignited.
In the Lotka-Volterra predator-prey model dx/dt=-ax +bxy, dy/dt=ey-cxy where x(t) is the predator population as well as y(t) is the prey population, explain what does the coefficient c represent
what is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copperii
Draw all the isomers you can come up with the formula C10H12O2. Must contain a benzene ring and a double bond. Also, much contain 8 unique carbon types.
While in Europe, if you drive 105 km per day, how much money would you spend on gas in one week if gas costs 1.10 rm euros per liter and your car's gas mileage is 41.0 mi/gal? Assume that 1; rm euro = 1.26; dollars.
Assuming 100% yield and additive volumes. What is the concentration of tin (IV) and tin (II) ions after reaction is complete
A physician wrote a prescription for Tylenol 325 mg/5mL with codeine 10 mg/5mL, 5mL three times a day for 4 days as needed for cough. How much Tylenol in milligrams is contained in a teaspoonful?
Write an equation for the sequential hydroboration and H2O2/OH ¯ oxidation of 4-ethyl-3- heptene. Indicate the main monosubstitution products in each of the following reactions.
explain the earodynamics characteristics of margarine firmness and coefficient of friction important in agricultural engineering research and development.
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator.
at 25 c and 1.0 atm .25 g of a gas dissolves in 1.00l of water. what mass of the gas dissolves in 1.00l of water at 25c
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