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Question- You add 25.0 grams of sugar to 9.00 grams of water at 20 deg C. The you heat it to 80 deg C and add 5.00 more grams of sugar. Assuming you do not get a supersaturated solution, what is the amount of sugar in the solution and the amount of solid out of solution, if he cools it to 58 deg C?
Any help is greatly appreciated!
A particular reactant decomposes with a half-life of 115 s when its initial concentration is 0.353 M. The same reactant decomposes with a half-life of 225 s when its initial concentration is 0.180 M.
Define what is the magnitude of the acceleration caused by the magnetic force? Overlook the gravitational force acting on the electron. The density of water is 1.000 kg/L at 4oC. Compute the density of water in kilograms per million standard cubic..
Problem- When 2.094 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 7.191 grams of CO2 and 1.178 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 128.2 g/mol. Determ..
Calculate the reflection loss when a beam of radiant energy passes through an empty quartz cell assuming the refractive index of quartz is 1.55.
Addition of a catalyst lowers the activation energy by 15.0 kJ/mol. By what factor (k catalyzed/ k uncatalyzed) does the rate increase at 25 °C?
Devise a reaction to convert 2-butyne to 2-methoxy-2-butene either isomer or both? If so, explain what the reaction conditions are. If not, why not
The rate of a chemical reaction is found to double when the temperature is raised from 298K to 308K. Determine the activation energy.
A diamond is forever is one of the most successful advertising slogans of all time. But is it true? For the reaction shown below, calculate the standard free energy change at 298 K and determine whether or not a diamond is forever
At a fixed temperature, equal moles of N2 (g) and F2 (g) are mixed in a constant pressure container (the volume of the container changes in order to keep the pressure at a constant value). The N2 (g) and F2 (g) are allowed to react, producing NF3 ..
The specific heat of an unknown metal is found to be 0.233 J/K g. The Law of Dulong and Petit predicts a molar heat capacity of 26 J/K mol. Use this law to estimate the molar mass of the metal.
How many moles of O2 are needed to burn 1.05 mol of C8H18
If 0.384 moles of Zinc reacts with excess Lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following equation?
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