T2 = 273.22 K
john3 answered the question on October 4, 2017 at 11:48
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A gas jar full gas V was opened in air. Explain the observation made by use of an equation.
(Solved)
A gas jar full gas V was opened in air. Explain the observation made by use of an equation.
Date posted:
October 3, 2017
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Answers (1)
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what is evaporation?
(Solved)
paper two.
Date posted:
October 2, 2017
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Answers (1)
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What is boiling?
(Solved)
What is boiling?
Date posted:
October 2, 2017
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Answers (1)
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Define the term saturated solution
(Solved)
What is a saturated solution?
Date posted:
October 2, 2017
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Answers (1)
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Give a reason why nitric (V) acid is stored in dark brown bottles.
(Solved)
Give a reason why nitric (V) acid is stored in dark brown bottles.
Date posted:
September 30, 2017
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Answers (1)
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State one use of sodium carbonate
(Solved)
State one use of sodium carbonate
Date posted:
September 30, 2017
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Answers (1)
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What is meant by the term dynamic equilibrium?
(Solved)
What is meant by the term dynamic equilibrium?
Date posted:
September 29, 2017
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Answers (1)
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a) Name the following processes (i) When anhydrous calcium chloride was left in an open beaker
overnight a solution was formed.(ii) When sodium carbonate decahydrate crystals...
(Solved)
a) Name the following processes:
i) When anhydrous calcium chloride was left in an open beaker
overnight a solution was formed.
ii) When sodium carbonate decahydrate crystals are left in an open beaker for some days it turned
into powder.
Date posted:
September 29, 2017
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Answers (1)
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Explain why the error in the Dalton's theory has not affected its validity?
(Solved)
Explain why the error in the Dalton's theory has not affected its validity?
Date posted:
September 29, 2017
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Answers (1)
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Explain why a substance conducts electric current when in molten state and not in solid state.
(Solved)
Explain why a substance conducts electric current when in molten state and not in solid state.
Date posted:
September 28, 2017
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Answers (1)
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Giving a reason, state what would be observed if concentrated hydrochloric acid is added
drop wise to a solution of Bismuth chloride.
(Solved)
Giving a reason, state what would be observed if concentrated hydrochloric acid is added
drop wise to a solution of Bismuth chloride.
Date posted:
September 28, 2017
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Answers (1)
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Name the following processes (i) When anhydrous calcium chloride was left in an open beaker overnight a solution was formed (ii) When sodium carbonate decahydrate crystals are...
(Solved)
Name the following processes
i) When anhydrous calcium chloride was left in an open beaker
overnight a solution was formed.
ii) When sodium carbonate decahydrate crystals are left in an open beaker for some days it turned
into powder.
Date posted:
September 28, 2017
.
Answers (1)
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Briefly explain how the calcium is separated from sodium in the down’s cell.
(Solved)
Briefly explain how the calcium is separated from sodium in the down’s cell.
Date posted:
September 28, 2017
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Answers (1)
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List the main uses of Sulphur
(Solved)
List the main uses of Sulphur
Date posted:
September 27, 2017
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Answers (1)
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List and explain the physical properties of Sulphur
(Solved)
List and explain the physical properties of Sulphur
Date posted:
September 27, 2017
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Answers (1)
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Name the two allotropes of sulphur
(Solved)
Name the two allotropes of sulphur
Date posted:
September 26, 2017
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Answers (1)
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State three uses of hydrogen nitrate
(Solved)
State three uses of hydrogen nitrate
Date posted:
September 26, 2017
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Answers (1)
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Define the term catenation?
(Solved)
Define the term catenation?
Date posted:
September 26, 2017
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Answers (1)
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Both graphite and molten sodium chloride conduct electricity,state how each of the substances conduct electricity?
(Solved)
Both graphite and molten sodium chloride conduct electricity,state how each of the substances conduct electricity?
Date posted:
September 26, 2017
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Answers (1)
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List five substances that undergo sublimation?
(Solved)
List five substances that undergo sublimation?
Date posted:
September 26, 2017
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Answers (1)