2 years ago

The removal of silver tarnish from silverware using aluminum foil and a solution of electrolyte is an example of

Chemistry

1 answer:

eimsori [14]2 years ago

8 0

Answer:

The answer is C. An electrochemical cell.

Explanation:

The aluminum ion react with the sulfide to form aluminum sulfide.

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Please help with this question... It's six marks to could you put six marks....

professor190 [17]

Can you take a better pic cant see the questions

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3 years ago

Hydrogen gas reacts with oxygen gas to form water. What is the excess reactant in this recation(Refer to the picture below to an

Studentka2010 [4]

Answer: C. Oxygen Gas

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2 years ago

How many totals atoms are in 2Ba(No3)3

patriot [66]

Answer:

10 to 15

Explanation:

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3 years ago

2Al + 6HCl → 2AlCl3 + 3H2 If the chemical reaction produces 129 grams of AlCl3, how many grams of H2 are also produced?

faust18 [17]

So,

Our conceptual plan is as follows:

g AlCl3 --> mol AlCl3 --> mol H2 --> g H2

$\frac{129g\ AlCl_3}{133.4g/mol}\ *\frac{3mol\ H_2}{2mol\ AlCl_3}\ *2.016g/mol \\ \\=2.92 g\ H_2$

Hope this helps!

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2 years ago

Read 2 more answers

An atom containing 25 protons, 30 neutrons and 25 electrons will have an atomic mass of:

aliya0001 [1]

Atomic mass=no of neutron+no of electron
Atomic mass=25+30
Atomic mass=55

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2 years ago