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State a complete mechanism for the formation of 1-methylcyclohexeneby the acid-catalyzed dehydration of 2-methylcyclohexanol. Explain what other elimination product(s) might be produced?
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
The hydrogen is collected at 25 degrees Celsius over water. The collected gas occupies 0.899L at a total pressure of 791mm Hg. Calculate the percent zinc
calculate the amount of heat requred to raise the temperature of 100.00 g of Mercury at 0.0000 c to 2.0000 c. repeat for 99.000 c to 101.000 c
Formula for numerous members of the lillianite group of sulfosalts is given below. Design the composition of each mineral in atomic on a Sb-Pb-Ag triangular diagram where Sb = top, Ag = left and Pb = right; ignore S
At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00 volts. If the pH is increased at this electrode (keeping everything else the same), at what pH will the half-cell potential be equal to -0.337 volt..
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon.
The highly reactive OH radical (a species with an unpaired electron) is believed to be involved in some atmospheric processes. The bond enthalpy for the oxygen-to-hydrogen bond in OH as 460 kJ/mol. What is the longest wavelength (in nm) of radiati..
Calculate the amount of heat evolved in the complete oxidation of 8.17g of al at 25 degrees celcius and 1 atm pressure. delta H of f for al2O3 id -1676kj/mol
what is the volume of a sample of chlorine gas with a density of 0.0032 gcm3 and a mass of 1.45
A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M Co(NO3)2. Sodium hydroxide is added to the mixture. Which precipitates first?
If carbon dioxide gas is collected over water at 25°C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25°C.
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
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