Fe(s) + Cu2+(aq) $\rightarrow$ Cu(s) + Fe2+(aq)
johnmulu answered the question on February 15, 2017 at 07:30
- What is the name given to each of the following:(Solved)
What is the name given to each of the following:
a) Ability of a metal to be made into wire
b) Minimum energy required for a chemical reaction to start;
c) Type of force that holds atoms of neon together?
Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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A compound whose general formula is M(OH)3 reacts as shown by the equation below.
M(OH)3(s) + OH$^-_4$(aq) $\rightarrow$ M(OH)$^-_4$(aq)
M(OH)3(s) + 3H+(aq) $\rightarrow$ M3+(aq) + 3H2O(l)
a) What name is given to compounds which behave like M(OH)3 in the two reactions
b) Name two elements whose hydroxides behave like that of M.
Date posted: February 15, 2017. Answers (1)
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When magnesium burns in air, it forms a white solid and a grey-green solid. When a few drops of water are added to the mixture, a gas that turns red litmus paper blue is evolved.
Identify the:
i) White solid
ii) Gas evolved and the gas
I) Name of gas
II) Use of the gas.
Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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a) Name two cations that are present in hard water.
b) Explain how the ion exchange resin softens hard water.
Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Soap dissolves in water dissolves in water according to the equation below; NaSt(aq) $\rightarrow$ Na+(aq) + St- where St- is the stearate ion.
a) Write the formula of the scum formed when soap is used in hard water.
b) Write the ionic equation for the reaction that occurs when sodium carbonate is used to remove hardness in water
Date posted: February 13, 2017. Answers (1)