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Problem- You work in a small-scale manufacturing facility that uses acetophenone as the starting material for a multi-step synthesis. Your company buys ~98% pure acetophenone from a major manufacturer and purifies it in-house prior to its use in the multi-step synthesis. You are given the job to purify 100g of impure acetophenone.
Explain your strategy for completing your purification task, defining your rationale as relevant.
Use the Born-Haber cycle to determine the lattice energy (in kJ/mol) of LiCl, given the following thermochemical data
For the cell diagram T1 and Pt Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94
evaporated the water from NaOH extracts prior to adding acid?
6-An element M reacts with chlorine to form MCL2 and with oxigen to form MO2 and with nitrogen to form the most likely candidate for the element is (a) LI (b) Mg (c) Al (d) SI 7- which species does not have an octet of electron for its outer core
Suppose that 28g of each of the following substances is initially at 25.0^\circ C. What is the final temperature of each substance upon absorbing 2.30kJ of heat? Express in two significant figures a. Gold b. Silver c. Aluminium d. Water
A solution is prepared by dissolving 0.18 moles of acetic acid and 0.18 moles of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressure, and its absolute temperature is decreased to one-fourth of the original. What is the final volume of the gas?
A hazardous waste incinerator has been burning a certain mass of dichlorobenzene (C6H4Cl2) per hour, and the HCl produced was neutralized with soda ash (Na2CO3).
Determine K for the reaction, H2C2O4(aq) + 2 OH-(aq) C2O42-(aq) + 2 H2O(l) given that, for H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14.
what mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to 0.140m
When the liberated hydrogen gas is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 343 mL. The vapor pressure of water at 29 degrees celsius is 30.0 torr. What is the mass percentage of aluminum in this alloy?
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.2 104 kg of coal that is 0.33 mass % sulfur?
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