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Heat change when one mole of a solute dissolves in excess of the solvent until there is no further change in temperature.
johnmulu answered the question on February 15, 2017 at 07:16
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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)
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Date posted: February 15, 2017. Answers (1)
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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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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.
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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The elements nitrogen, phosphorous and potassium are essential for plant growth.
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Describe how a sample of a fertilizer may be tested to find out if it contained nitrate ions.
Date posted: February 13, 2017. Answers (1)