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Strong acid – Highly ionized/dissociated
Concentrated acid – high molecule concentration per given volume or high solute concentration per given volume.
Lywascomputers answered the question on August 19, 2018 at 18:21
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Give two reasons why during preparation of salt, it is advisable to heat the solution to concentration allowing it to cool in order to crystallize instead of heating to dryness.
Date posted: August 19, 2018. Answers (1)
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Date posted: August 19, 2018. Answers (1)
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Date posted: August 19, 2018. Answers (1)
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What two properties should the components of a mixture have that would make the separation possible
Date posted: August 19, 2018. Answers (1)
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Identify the anion and cation in the green solid.
Date posted: August 18, 2018. Answers (1)
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Date posted: August 18, 2018. Answers (1)
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Name the products formed when ammonia:
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(II) Oxidized in presence of platinum catalyst
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Date posted: August 17, 2018. Answers (1)
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Date posted: August 17, 2018. Answers (1)
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Date posted: August 16, 2018. Answers (1)
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Date posted: August 15, 2018. Answers (1)
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Date posted: August 13, 2018. Answers (1)
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Date posted: August 13, 2018. Answers (1)
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Date posted: August 13, 2018. Answers (1)
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Date posted: August 13, 2018. Answers (1)
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Date posted: August 13, 2018. Answers (1)
- A form 4 student carried out an experiment with 40 cubic centimeters of 1.0M hydrochloric acid and Marble...(Solved)
Rates and reactions:
A form 4 student carried out an experiment with 40 cubic centimeters of 1.0M hydrochloric acid and Marble chips in order to determine rates of reaction using the following steps.
??HCL was poured to a conical flask
??Conical flask was then placed on a weighing balance
??20 grams of marble chips was then added to acid and left for reaction to proceed
??With time, Changes in mass of flask with contents was recorded
(a) State other way in which one can measure rate of reacion(1mk)
(b)(i) Sketch curve that will be obtain if mass of contents in flask is plotted against time label it as (k) (2mks)
(ii) Using the same axes sketch curve that will be obtain if powdered marble had been used(1mk)
(c) Write a chemical equation to show how reaction proceed (1mk)
Date posted: August 13, 2018. Answers (1)
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Date posted: August 2, 2018. Answers (1)
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Date posted: July 25, 2018. Answers (1)
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Date posted: July 7, 2018. Answers (1)