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nikitadnepr [17]
3 years ago
10

What solution is placed when plating metal with gold?

Chemistry
2 answers:
butalik [34]3 years ago
8 0

Answer:

electrolyte which is made from a solution of copper salt

Explanation:

miskamm [114]3 years ago
5 0

Answer:

The metal atoms that plate your object come from out of the electrolyte, so if you want to copper plate something you need an electrolyte made from a solution of a copper salt, while for gold plating you need a gold-based electrolyte—and so on

Explanation:

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Explanation:

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Consider these reactions:
Virty [35]

511.2 grams of chlorine gas consumed (with excess H-) when

1,342.0 kJ of energy is released from the system.

<h3></h3><h3>What is an exothermic reaction?</h3>

In thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative."

Given that 1 mole of chlorine releases -184.6 energy.

Then, we have to find the number of moles of chlorine when 1,342.0 kJ of energy is released from the system.

So, calculating number of moles of chlorine.

Moles = \frac{-1,342.0 \;kJ}{-184.6\;kJ}

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2 years ago
What is the mole to mole relationship between copper and zinc? Cu2+(aq)+-&gt;Cu(s)+Zn2+(aq)
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The reaction is missing the Zn(s) in the reactants. The stoichiometry of the copper/zinc is 1 mole to 1 mole

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3 years ago
A coffee-cup calorimeter initially contains 125 g water at 24.28C. Potassium bromide (10.5 g), also at 24.28C, is added to the w
iren2701 [21]

Answer:

The solution is given below

Explanation:

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NEGATIVE SIGN INDICATES THAT HEAT IS ABSORBED.

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      = 18.41 kJ/mol  

6 0
3 years ago
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