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aleksandr82 [10.1K]
3 years ago
14

Does a metal conduct electricity in the solid state?

Chemistry
1 answer:
ad-work [718]3 years ago
5 0
Metal atoms have outer electrons which are not tied to any one atom. These electrons can move freely within the structure of a metal when an electric current is applied. There are no such free electrons in covalent or ionic solids, so electrons can't flow through them - they are non-conductors.

In a shorter term - no
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Calculate the number of moles of H2 produced in the reaction of Mg(s) with HCl(aq). Mg(s) is the
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Explanation:

Moles of metal,

=

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⋅

g

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⋅

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⋅

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.

Moles of

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C

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=

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⋅

c

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×

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⋅

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d

m

−

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=

0.200

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o

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Clearly, the acid is in deficiency ; i.e. it is the limiting reagent, because the equation above specifies that that 2 equiv of HCl are required for each equiv of metal.

So if

0.200

m

o

l

acid react, then (by the stoichiometry), 1/2 this quantity, i.e.

0.100

m

o

l

of dihydrogen will evolve.

So,

0.100

m

o

l

dihydrogen are evolved; this has a mass of

0.100

⋅

m

o

l

×

2.00

⋅

g

⋅

m

o

l

−

1

=

?

?

g

.

If 1 mol dihydrogen gas occupies

24.5

d

m

3

at room temperature and pressure, what will be the VOLUME of gas evolved?

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