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1. Draw a Newman structure for meso-3-4-dibromolhexane
2. Show how to prepare 3-pentanol from ethyne
3. Show how to prepare 2-cholro-2-methylpentane from 1-propene
What are the partial pressures of these substances in the vapor above a solution of 1.54 mol of CH2Cl2 and 1.38 mol of CCl4 at 23.5°C
How will the melting point of your semicarbazone derivative be affected if the derivative is not dry enough
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
Explain why the pKa of benzoic acid (pKa = 4.2) is significantly lower than the pKa of propanoic acid (pKa = 4.9). Select the single best answer.
Determine ΔHreaction° for: 4H2O (l) + 2 NH3 (g) → 2NO2 (g) + 7H2 (g) using the following two equations: (1) N2 (g) + 3H2 (g) → 2 NH3 (g) ΔH1° = -184 kJ (2) 4NO2 (g) + 8H2 (g) → 2 N2 (g) + 8 H2O (l) ΔH2° = -196 kJ
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
How many moles of O2 are required for the complete reaction of 43.5 g of C2H4 to form CO2 and H2O
Calculate the % yield for the following reaction, based on the results regarding the synthesis of 2-iodooctane from 2-chlorooctane. Show all calculations. 2-chlorooctane(100mg) + NaI(excess) = 2-Iodooctane(75mg)
The combustion of the alternative fuel, hydrogen gas, released 286 kj per mole of hydrogen gas combusted. if 10.0 l of hydrogen gas at STP was burned to produce electricity, how long would it power a 100 watt light bulb. assume no energy is lost t..
What volumes of these two solutions must you mix in order to obtain 200 mL of your required buffer
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
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