Inorganic Chemistry Answers

Write balanced equation to show the reaction of the filling with water:

(I) sodium

(I) sodium oxide

B) in terms of bonding, explain why sodium oxide reacts with water to fork a solution with a pH of 14.

C) what general type of oxide forms acidic solution in water? Give the formula of one such oxide.

detailed answers please 🙏🏾

1. what is the capacity factor (k’) for compounds A and B (4 marks)

2. what is selectivity factor between peaks A and B (4 marks)

3. explain the influence of reducing the flowrate on selectivity factor (5 Marks)

4. Explain the separation between compound A and B as shown on the chromatograph (5

16 14 12 10 Detector response 8 6 4 2 0 0 10 20/ 40 50 60 70 30 Time, miń

The Liquid Chromatography column is 25 cm long. The flow rate was 0.40 ml/min.

Write a balanced equation for the combustion of acetaldehyde, CH₃CHO. When properly balanced, the equation indicates that ___ mole(s) of O₂ are required for each mole of CH₃CHO. 

Calculate the absolute temperature of 0.118 mol of a gas that occupies 10.0l at 0.933 atm

Ascorbic acid is a diprotic acid (Ka1 6.9x10-5) and (ka2 = 2.7x10-12). What is the pH of

a solution that contains 5.0 mg of acid per milliter solution.

How many grams of H₂O are produced when 5.00 moles of oxygen are used?

A mass spectrometer computed the atomic mass ratio of fluorine to carbon - 12 as 1.5832 - to - 1 . If the atomic mass of carbon - 12 is 12 u ( exactly ) , what is the atomic mass of fluorine in u ?

Natural boron is composed of two isotopes: 19.78% boron-10 (atomic mass = 10.0129 amu) and 80.22% boron-11 (atomic mass = 11.0093 amu). What is the average atomic mass of naturally occurring boron?

Calculate the ratio of ionized and non-ionized forms of scopolamine drug in the stomach (pH = 1.66) and intestine (pH = 8.66) if its pK = 7.66. Where will the drug be absorbed: in the stomach and/ or intestines?

Calculate the ratio of ionized and non-ionized forms of scopolamine drug in the stomach (pH = 1.66) and intestine (pH = 8.66) if its pK = 7.66. Where will the drug be absorbed: in the stomach and/ or intestines?