Inorganic Chemistry Answers

Demonstrate, via mechanism, that aldolic condensation products are indicated

below.

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2. Do the reaction mechanism below:

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Identify the reagents needed for the reactions below:

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The estimated average concentration of NO2 in air is 0.016 ppm. (a) Calculate the partial pressure of the NO2 in a sample of this air when the atmospheric pressure is 755 torr (99.1 kPa). (b) How many molecules of NO2 are present under these conditions at 20 °C in a room that measures 15 x 14 x 8 ft?

A concentration of 8.00 x 102 ppm by volume of CO is considered lethal to humans. Calculate the minimum mass of CO in grams that would become a lethal concentration in a closed room 17.6 m long, 8.80 m wide, and 2.64 m high. The temperature and pressure are 20.0°C and 756 mmHg, respectively.

An electric power station annually burns 3.1 x 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.

An aqueous solution of a platinum salt is electrolyzed at a current of 2.498 A for 3.00 h. As a result, 9.09 g of metallic Pt are formed at the cathode. Following this half reaction: Ptn+ + ne- → Pt, calculate the charge (represented by “n+” on the half reaction) on the Pt ions in this solution.

When an aqueous solution containing gold (III) salt is electrolyzed, metallic gold is deposited at the cathode and oxygen gas is generated at the anode. If 9.26 g of Au is deposited at the cathode, calculate the volume (in liters) of O2 generated at 23°C and 747 mmHg.

In a certain electrolysis experiment involving Al3+ ions, 60.2 kg of Al is

recovered when a current of 0.325 A is used. How many minutes did the

electrolysis last?

When an aqueous solution containing gold (III) salt is electrolyzed, metallic

gold is deposited at the cathode and oxygen gas is generated at the anode. If

9.26 g of Au is deposited at the cathode, calculate the volume (in liters) of O2

generated at 23°C and 747 mmHg.