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Q. Each of the following structures is invalid. Identify the error in each case.

Solved • Apr 12, 2018

Q. A hypothetical molecule, X–Y, has a dipole moment of 1.75 D and a bond length of 175 pm. Calculate the percent ionic character of this molecule.

Solved • Apr 12, 2018

Q. Determine whether or not the following structures obey the octet rule. Classify structures that obey the octet rule as valid, and those that do not as invalid.

Solved • Apr 12, 2018

Q. To heat 1 ml of water from a room temperature (25oC) to 42oC you need about 84 J of heat. How many photons of infrared light with the wavelength of 1 x 10-5 m have to hit 1 g of water to warm it to 42oC?

Solved • Apr 11, 2018

Q. Using the standard enthalpies of formation, : CO(g) = 110.5 kJ mol-1 CO(NH2)2(s) = 333.19 kJ mol-1 NH3(g) = 46.19 kJ mol-1 calculate the standard enthalpy of reaction for CO(NH2)2(s) + H2(g) → 2NH3(g) + CO(g)

Solved • Apr 11, 2018

Q. R-OH --> R-OTBS using (TBSCL, imidazole, DCM) mechanism

Solved • Apr 11, 2018

Q. A student has isolated a chiral alkyl halide (shown below) with a specific rotation of [a] = +22.1o . The student decided to store the compound in the solvent MeOH overnight. However, reanalysis of t

Solved • Apr 11, 2018