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Mariulka [41]
2 years ago
5

How to determine the relative rates of reactant disappearance and product appearance using reaction stoichiometry

Chemistry
1 answer:
Lady_Fox [76]2 years ago
6 0

Answer:

For example, the relative rate of a reaction at 20 seconds will be 1/20 or 0.05 s -1, while the average rate of reaction over the first 20 seconds will be the change in mass over that period, divided by the change in time.

Explanation:

Hope it helps u

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Given 24.3 g of LICI, Find moles of PbCI, produced.<br> PbSO4 + LiCl → PbCl2 + Li2SO4
Tema [17]

Answer:

0.29 moles of PbCl₂

Explanation:

Given data:

Mass of lithium chloride = 24.3 g

Moles of PbCl₂ = ?

Solution:

Chemical equation;

PbSO₄ + 2LiCl    →    PbCl₂ + Li₂SO₄

Number of moles of LiCl:

Number of moles = mass/ molar mass

Number of moles = 24.3 g/ 42.394 g/mol

Number of moles = 0.57 mol

Now we will compare the moles of PbCl₂ with LiCl .

            LiCl               :          PbCl₂

              2                 :            1

              0.57            :        1/2×0.57 = 0.29 mol

4 0
3 years ago
When heating a flammable or volatile solvent for a recrystallization, which of these statements are correct? More than one answe
Citrus2011 [14]

Answer:

You should not use an open flame to heat the solvent and the solvent should be heat in a stoppered flask to vapour away from the open flame

Explanation:

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3 years ago
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Balance the equation below, using the smallest whole-number coefficients. ____Fe(s) + ____ O2(g) + ____ H2O(l) → ____Fe(OH)2(s)
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2Fe(s) + O₂(g) + 2H₂O(l) → 2Fe(OH)₂(s)

Explanation:

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= 0.4448 mol

Explanation:

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