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what is the mechanism of the dehydration of 2-butanol? Why is sulfuric acid rather than HCl used to catalyze the reaction.
Explain which distilation method (fractional or simple) would be most appropriate to seperate hexanes and dichloromethane.
Calculate the number of moles and molality of the solution prepared by dissolving 4.00g of NaOH in 250.0g of water.
(a) Cl2(g) is added to the system. (b) The reaction mixture is heated. (c) The volume of the reaction vessel is doubled. (d) A catalyst is added to the reaction mixture. (e) The total pressure of the system is increased by adding a noble gas. (f) ..
Construct a delta H and delta S table, including the four possibilities associated with the two possible signs for each of delta H and delta S. Discuss the resulting sign of delta G and the spontaneity of the process.
If 4 g of CuSO4 is dissolved in 9.0x10^2 mL of 0.40 M aqueous NH3, what are the concentrations of Cu2+, Cu(NH34 2+, and NH3 at equilibrium? (Kf = 5x10^13)
Calorimeters and heat capacity, If 2.500 g of Mg is burned in a constant volume calorimeter with a heat capacity of 1.10 kJ/degrees Celsius containing 1.500 L
Give the structures of a hydrocarbon that has six carbon atoms and a) three vinylic hydrogens and two allylic hydrogens b) three vinylic hydrogens and no allylic hydrogens
If 24mL of 6.6 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? If 24mL of 6.6 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize..
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute, the freezing point of 1 {rm kg} of water is lowered 1.86 ^circ {rm C}
If 1.87 {rm g} of acetic acid(rm CH_3CO_2H) reacts with 2.31 {rm g} of isopentyl alcohol(rm C_5H_{12}O) to give 2.96 {rm g} of isopentyl acetate(rm C_7H_{14}O_2), what is the percent yield of the reaction?
If 1000.0 mL of 1.5M sodium hydroxide is mixed with 1000.0mL of 1.5M hydrochloric acid, after the reaction is complete, what are the concentrations of all the ions remaining in the solution
The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar
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