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what is the structure of an ester of 2-methylpropionic acid that has the molecular formula: C8H13ClO2 and 5 signals in its 1H NMR spectrum?
Draw the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation
Determine value for the rate of formation of HCl during the same interval of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?
Given that mercury has a Hvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
Would the mass of the precipate collected be more, unchanged, or less if the residue was washed with hot distilled, deionized water instead
A voltaic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell = 1.13 V at 25°C.
What is the molarity (M) of the concentrated HClO4 solution?
write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution
a mixture with 75% R and 25% S has an optical rotation of -30. what is the optical rotation of pure R?
When 27.5 mL of 0.520 M H2SO4 is added to 27.5 mL of 1.04 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate
It is found for the reaction A + B > C that doubling the concentration of either A or B while keeping the other one constant quadruples the reaction rate. Write a rate law for the reaction
The solubility of NaCl in water at 25 degrees Celsius is 38 g NaCl in 100 grams of water. A mixture was made using 33 g of NaCl and 100 g of waer at 25 degrees Celsius. Which term best describes the mixture?
If 27mL of 6.0 M sulfuric acid was spilled, what is the minimum mass of sodium bicarbonate that must be added to the spill to neutralize the acid?
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