The molar heat of neutralisation between a strong acid and a weak base is low because some of the heat is used to ionise (1) the weak base before neutralization. For strong acid and strong base they are completely ionised.
john3 answered the question on October 4, 2017 at 12:33
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Date posted: October 4, 2017. Answers (1)
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Date posted: October 4, 2017. Answers (1)
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Determine the concentration of nitrate ions in moles per litre
Date posted: October 4, 2017. Answers (1)
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(a) What volume of oxygen was used during the reaction?
Date posted: October 4, 2017. Answers (1)
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Alloy
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Date posted: October 4, 2017. Answers (1)
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Date posted: October 4, 2017. Answers (1)
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Date posted: September 30, 2017. Answers (1)
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Date posted: September 30, 2017. Answers (1)
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Date posted: September 29, 2017. Answers (1)
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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
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ii) When sodium carbonate decahydrate crystals are left in an open beaker for some days it turned
into powder.
Date posted: September 29, 2017. Answers (1)
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dilute sodium hydroxide.
Date posted: September 29, 2017. Answers (1)
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Date posted: September 29, 2017. Answers (1)
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Date posted: September 28, 2017. Answers (1)
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Date posted: September 28, 2017. Answers (1)
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Air is also blown through the mixture.
i) What...(Solved)
During the extraction of zinc metal, the ore is crushed into powder and mixed with water and oil.
Air is also blown through the mixture.
i) What name is given to the process described above?
ii) The hull of a ship is made using Iron and blocks of zinc to prevent rusting. How does zinc
prevent the rusting of iron?
iii) Explain the process named in (i) above occurs.
Date posted: September 28, 2017. Answers (1)