Chemistry Questions and Answers March 18, 2020

Draw the product of hydration of 1pentene.

A student measured out 25.0 mL of isopropyl alcohol but he needed the mass of the alcohol. If the density of the alcohol is 0.85 gmL, what is the mass of the alcohol Show all calculations.

A teaspoon contains 5.0 ml. If a student has 10.0 g of salt and the density of salt is 2.61 gicc, how many teaspoons of sugar does she have Show calculations.

Draw the cis isomer of 3,4dichloro3heptene.

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A student wants to measure the density of an irregularly shaped solid. She determined the following information 35.67 gm 21.15 ml 29.55 ml. Mass of solid Initial volume of water Volume of water solid Calculate the density to the correct number of significant digits. Show your calculations.

Iodine reacts with a ketone in aqueous solution to give an iodoketone. The stoichiometric equation is: I2 + ketone -> iodoketone + H+ + I- The rate of reaction can be measured by measuring the disappearance of I2 with time. The data for initial rates and initial concentrations are as follows: (a) Find the order of the rate of reaction with respect

d1dt (molL.s) 7 x 105 7 x 105 1.7 x 104 5.4 x 104 1 (molL) 5 x 104 3 x 104 5 x 104 5 x 104 ketone (molL) 0.2 0.2 0.5 0.5 H (molL) 1.0 x 10 1.0 x 10 1.0 x 102 3.2 x 10