The rate of forward reaction is equal to the backward reaction
At equilibrium the concentrations of reactants and products do not change
Kipssben answered the question on August 17, 2018 at 13:05
-
Give three factors that accelerate rusting
(Solved)
Give three factors that accelerate rusting
Date posted:
August 16, 2018
.
Answers (1)
-
10.26 g of aluminium sulphate were dissolved in 200cm3 water. Calculate the molar concentration of the sulphate ions in the solution
(Solved)
10.26 g of aluminium sulphate were dissolved in 200cm3 water. Calculate the molar concentration of the sulphate ions in the solution (Relative formula mass of aluminium sulphate = 342).
Date posted:
August 15, 2018
.
Answers (1)
-
An oxide of silicon was found to contain 47% by mass silicon. What is the empirical formula of the oxide? (Si=28,O=16)
(Solved)
An oxide of silicon was found to contain 47% by mass silicon. What is the empirical formula of the oxide? (Si=28,O=16)
Date posted:
August 13, 2018
.
Answers (1)
-
Explain how a mixture of sulphur and sodium chloride can be separated into solid sulphur and sodium chloride
(Solved)
Explain how a mixture of sulphur and sodium chloride can be separated into solid sulphur and sodium chloride
Date posted:
August 2, 2018
.
Answers (1)
-
Give one chemical test to distinguish between ethane and ethene
(Solved)
Give one chemical test to distinguish between ethane and ethene.
Date posted:
July 7, 2018
.
Answers (1)
-
Why do cars in Mombasa rust faster than those in Kisumu?
(Solved)
Why do cars in Mombasa rust faster than those in Kisumu?
Date posted:
July 7, 2018
.
Answers (1)
-
A student was stung by a bee and sodium hydrogen carbonate was applied to relieve the pain. Explain.
(Solved)
A student was stung by a bee and sodium hydrogen carbonate was applied to relieve the pain. Explain.
Date posted:
July 4, 2018
.
Answers (1)
-
Copper (II) oxide and charcoal are both black solids. Describe how you can distinguish them.
(Solved)
Copper (II) oxide and charcoal are both black solids. Describe how you can distinguish them.
Date posted:
July 1, 2018
.
Answers (1)
-
Explain the following observations. When burning magnesium is lowered into a gas jar of carbon(4) oxide it continues burning, but when burning zinc is lowered into...
(Solved)
Explain the following observations when burning magnesium is lowered into a gas jar of carbon(4) oxide it continues burning,but when burning zinc is lowered into a gas jar of carbon (4) oxide it does not burn.
Date posted:
June 24, 2018
.
Answers (1)
-
What is the difference between fractional distillation and fractional crystallization?
(Solved)
What is the difference between fractional distillation and fractional crystallization?
Date posted:
June 23, 2018
.
Answers (1)
-
What is the difference of alkali and alkaline?
(Solved)
What is the difference of alkali and alkaline?
Date posted:
June 22, 2018
.
Answers (1)
-
What mass of sodium hydroxide would be needed to neutralize exactly 200 cubic centimetre of a solution containing 49 grammes of sulphuric acid in dm-3
(Solved)
What mass of sodium hydroxide would be neededto neutralize exactly 200 cubic centimetre of a solution containing 49 grammes of sulphuric acid in dm^-3
Date posted:
June 18, 2018
.
Answers (1)
-
State the assumptions of capture recapture method of population size estimation
(Solved)
State the assumptions of capture recapture method of population size estimation.
Date posted:
May 19, 2018
.
Answers (1)
-
Explain why sodium hydroxide is preferred when making a setup to investigate the active part of air using a burning candle
(Solved)
Explain why sodium hydroxide is preferred when making a setup to investigate the active part of air using a burning candle.
Date posted:
May 14, 2018
.
Answers (1)
-
Describe the process of obtaining nitrogen gas from air by fractional distillation of liquid air
(Solved)
Describe the process of obtaining nitrogen gas from air by fractional distillation of liquid air.
Date posted:
May 10, 2018
.
Answers (1)
-
What is Ostwald process?
(Solved)
What is Ostwald process?
Date posted:
May 5, 2018
.
Answers (1)
-
Write the chemical equation for reaction that takes place in the absorption tower in the contact process
(Solved)
Write the chemical equation for reaction that takes place in the absorption tower in the contact process.
Date posted:
May 5, 2018
.
Answers (1)
-
Outline the five major processes of the contact process in the production of sulphuric acid
(Solved)
Outline the five major processes of the contact process in the production of sulphuric acid.
Date posted:
May 5, 2018
.
Answers (1)
-
In the last stage of the solvay process, a mixture of sodium hydrogen carbonate and ammonium chloride is formed. (i.) State the method of separation used.
(Solved)
In the last stage of the solvay process, a mixture of sodium hydrogen carbonate and ammonium chloride is formed.
i.) State the method of separation used.
ii.) Write an equation showing how lime is slaked.
iii.) Name the by-product recycled in the above process.
Date posted:
May 2, 2018
.
Answers (1)
-
Solvay process is used to manufacture sodium carbonate. (a.) Name two raw materials. (b.) How is sodium carbonate obtained from sodium hydrogen carbonate. (c.) Name two main substances...
(Solved)
Solvay process is used to manufacture sodium carbonate.
a.) Name two raw materials.
b.) How is sodium carbonate obtained from sodium hydrogen carbonate.
c.) Name two main substances that are recycled.
Date posted:
May 2, 2018
.
Answers (1)