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Does the carbocation intermediate in the hydrolysis of 2-bromo-3-methylbutane rearrange by way of a hydride shift, methyl shift, or neither
How much heat is required to raise the temperature of 73.5 of water from its melting point to its boiling point?
Strontium carbonate decomposes upon heating to strontium oxide and carbon dioxide. Calculate the number of g of carbon dioxide produced by heating 10.7 g of strontium.
Calculate the theoretical yield of 1M of potassium chromate (50 ml) and Lead (II) nitrate 1 mol (50ml)
which of the following glycosidic linkages would promote the formation of a helical structure
What is the rate law of the reaction? b) What is the rate constant for this reaction at 64 degrees Celcius? c) At 64 degrees Celcius if the initial concentration of N2O5 is 0.048 M, how long will it take to drop to 0.024 M?
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
Cesium-131 is a short lived radioisotope (t1/2= 9.7 days) used to treat prostate cancer. How much theraputic strength does a Cesium-131 source lose over 60 days? Express your answer as a percent of the strength the source had at the begining of th..
The lower flammability limit (LFL) for a gas is the minimum concentration of the gas, in air, below which there is too little fuel to support combustion.
If you used the 9000 kilojoules you expend in energy in one day to heat 51000 {rm g} of water at 23^circ {rm C}, what would be the rise in temperature?
A mixture of pentane and hexane has a vapor pressure of 258 torr. The standard vapor pressure of pentane is 425 torr. What is the mole fraction of pentane?
The atomic mass of element X is 22.99 amu. A 19.98-g sample of X combines with 16.51 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
In the first 12.0 s of the reaction, 1.8×10-2 moles of O2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
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