- Below is a set up of the apparatus that is used to prepare sulphur trioxide.
Name
I. – Gas N -
II. – Gas M –
III. – Catalyst...(Solved)
Below is a set up of the apparatus that is used to prepare sulphur trioxide.
Name
I. – Gas N -
II. – Gas M –
III. – Catalyst –
IV. – Solid Y –
Date posted: March 25, 2019. Answers (1)
- What factors should be considered when siting a plant to manufacture sulphuric acid?(Solved)
What factors should be considered when siting a plant to manufacture sulphuric acid?
Date posted: March 25, 2019. Answers (1)
- List down different types of amorphous sulphide.(Solved)
List down different types of amorphous sulphide.
Date posted: March 25, 2019. Answers (1)
- Why is it necessary to vulcanise natural rubber before use?(Solved)
Why is it necessary to vulcanise natural rubber before use?
Date posted: March 25, 2019. Answers (1)
- Name one substance used for vulcanisation of rubber.(Solved)
Name one substance used for vulcanisation of rubber.
Date posted: March 25, 2019. Answers (1)
- List four ammonium salts and state the uses of each.(Solved)
List four ammonium salts and state the uses of each.
Date posted: March 25, 2019. Answers (1)
- Explain how carbon monoxide is lethal when one inhales.(Solved)
Explain how carbon monoxide is lethal when one inhales.
Date posted: March 25, 2019. Answers (1)
- State six uses of carbon dioxide.(Solved)
State six uses of carbon dioxide.
Date posted: March 25, 2019. Answers (1)
- How many molecules, by avogadro’s number does 0.32g of oxygen gas has?(Solved)
How many molecules, by avogadro’s number does 0.32g of oxygen gas has?
Date posted: March 25, 2019. Answers (1)
- What mass of Lead (II) nitrate could contain 13g of Lead?(Solved)
What mass of Lead (II) nitrate could contain 13g of Lead?
Date posted: March 25, 2019. Answers (1)
- How many calcium ions and chloride ions are in 1 mole of calcium chloride, CaCl2?.(Solved)
How many calcium ions and chloride ions are in 1 mole of calcium chloride, CaCl2?.
Date posted: March 25, 2019. Answers (1)
- Calculate the number of nitrogen molecules in 560cm3 of nitrogen gas at s.t.p.(Solved)
Calculate the number of nitrogen molecules in 560cm3 of nitrogen gas at s.t.p.
Date posted: March 25, 2019. Answers (1)
- How many grams of Sulphur contain 3.0 x 1021 atoms?.(Solved)
How many grams of Sulphur contain 3.0 x 1021 atoms?.
Date posted: March 25, 2019. Answers (1)
- 100cm3 of a gas at r.t.p was cooled to 60cm3. Calculate the new temperature of the gas in 0C if the pressure is kept constant.(Solved)
100cm3 of a gas at r.t.p was cooled to 60cm3. Calculate the new temperature of the gas in 0C if the pressure is kept constant.
Date posted: March 25, 2019. Answers (1)
- Rates of diffusion of two gases A and B are in the ratio 2:1. If the molecular mass of gas A is 16g. Find the...(Solved)
Rates of diffusion of two gases A and B are in the ratio 2:1. If the molecular mass of gas A is 16g. Find the molecular mass of B.
Date posted: March 25, 2019. Answers (1)
- In an experiment, it was found that a mole of a gas occupied 24.0dm3 at 200C and atmospheric pressure. What volume would it occupy at...(Solved)
In an experiment, it was found that a mole of a gas occupied 24.0dm3 at 200C and atmospheric pressure. What volume would it occupy at S.T.P?
Date posted: March 25, 2019. Answers (1)
- Two gases, A and B have densities of 0.18gdm-3 and 2.90gdm-3 respectively. If they diffuse under the same conditions, what are their relative rates of...(Solved)
Two gases, A and B have densities of 0.18gdm-3 and 2.90gdm-3 respectively. If they diffuse under the same conditions, what are their relative rates of diffusion.
Date posted: March 25, 2019. Answers (1)
- At 270C, nitrogen has a volume of 650cm3 under pressure of 980mmHg. What would be its volume at the same temperature but at a pressure...(Solved)
At 270C, nitrogen has a volume of 650cm3 under pressure of 980mmHg. What would be its volume at the same temperature but at a pressure of 760mmHg?.
Date posted: March 25, 2019. Answers (1)
- Explain why dilute Sulphuric acid is a stronger acid than the concentrated one.(Solved)
Explain why dilute Sulphuric acid is a stronger acid than the concentrated one.
Date posted: March 25, 2019. Answers (1)
- What do you understand by the term solubility of a solute in a solvent.(Solved)
What do you understand by the term solubility of a solute in a solvent.
Date posted: March 25, 2019. Answers (1)