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The rate constant for a particular second-order reaction = 0.47 M-1s-1, the initial concentration of reactant = 0.25 mol/L, then determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
How many moles of sucrose are contained within the 100.0 mL that was transferred into the volumetric? If the 1 L volumetric is filled with enough DI water to make the volume of solution 1 L (referred to as being "brought to volume"), what will the ..
Calculate the freezing point of a solution that contains 30.0 g of urea, CH4N2O, in 200. g of water. Urea is a nonvolatile nonelectrolyte. Kf for H2O = 1.86°C/m.
what does it mean to manipulate the solubility of insoluble organic compounds by salt formation
The combustion of propane illustrated by the following reaction releases 2428 KJ per mole of reaction. A sample of propane is burned at 59 degrees celsius and 746 mm Hg. The process produces 39.7 L of CO2(g). How much heat was released?
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 4C? (Assume the density of water is 1.0 g/ml.)
Calculating Kc, Given the amount of reactant in grams in a container at a temperature and amount produced in moles, calculate Kc:
How many grams of CaH2 are needed to generate 147 L of H2 gas if the pressure of is 824 torr at 295K ?
If a procedure calls for 2.0mL of concentrated nitric acid, what are the mass and moles of HNO3 actually used in the reaction
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
If 5.0 g of H2 are reacted with excess CO, how many grams of CH2OH are produced, based on a yield of 86%?
Suppose that 100.0 mL of a 0.120 M solution of magnesium chloride is mixed with 100.0 mL of .210M sodium hydroxide. Assume that the volumes are additive (which is only approx correct) and calculate the molarity of the chloride ion in the final sol..
Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:
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