Inorganic Chemistry Answers

A reaction to convert ammonia into nitric acid involves following chemical equation:

4 NH3 (g) + 5 O2 (g)à 4 NO(g) + 6 H2O(g)

Assume that 1.50 g of NH3 reacts with 2.75 g O2, then:

1. Determine the limiting reactant

2. Calculate how many grams of NO and H2O will form in the reaction above

3. Calculate how many grams of the excess reactant will remain after the reaction is complete.

4. If the yield obtained for NO is 1.80 grams and yield obtained for H2O is 1.50 grams, calculate the percent yield of NO and H2O in this reaction.

(Atomic mass of N = 14 ; O = 16 ; H = 1).

Calculate each of the following quantities for an ideal gas: a) The volume of the gas in litre, if 2.57 moles have a pressure of 1.86 atm at a temperature of -12ºC. b) The absolute temperature of a gas at which 6.79 X 10 2 moles occupies 164 ml at 893 torr. c) The pressure in atm , if 8.25 X 10 2 moles occupies 255 mL at 15°C. d) If oxygen gas is used, calculate the mass of the oxygen gas in grams, if 5.49 L at 45ºC has a pressure of 11.25 kPa.

If 0.007 g of KHP (molar mass = 204.23) requires 30.0 mL of NaOH upon titration, what is the normality of NaOH?

Given four 250-mg tablets of aspirin (90% purity), what volume of 0.50 N NaOH is used in the hydrolysis reaction if 10.00 mL of 0.50 N HCl is consumed in the back titration?

It is known that 35.00 mL of an acid solution is needed to titrate 38.50 mL of a base solution. What is then the volume relationship of the two solutions?

The alkali metal which is liquid at 15oC is (A) K (B) Cs (C) Na (D) None

10 moles of o2 is added to 10 moles of H2.How many moles of H20 will it produce

What are the reaction of rhodium tetracarbonyl hydride with one or two equivalents of a trialkalynephoshphine respectively

What would you expect the boiling point of organic derivative Me2E to compair with those of corresponding hydrieds H2E

The hydroxyl radical (OH) plays an important role in atmospheric chemistry. It is highly reactive and has a tendency to combine with a H atom from other compounds, causing them to break up. Thus, OH is sometimes called a “detergent” radical because it helps to clean up the atmosphere. (a) Write the Lewis structure for the radical. (b) Refer to Table 9.4 and explain why the radical has a high af￾finity for H atoms. (c) Estimate the enthalpy change for the reaction OH(g) + CH4(g) ⟶ CH3(g) + H2O(g) (d) The radical is generated when sunlight hits water vapor. Calculate the maximum wavelength (in nanometers) required to break an OH bond in H2O.