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Chemistry

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Edwin Mitchell

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2y ago
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Cards in this guide (13)
Why are half-reactions used in redox reactions

They make it easier to see the oxidation and reduction parts of the reaction separately.

What is the molarity of 416.48 g BaCl2 dissolved in 2 L of water

1m

What gets oxidized in an electrolytic cell made with nickel and copper electrodes

Cu(s)

How does one determine how much of a molecule is produced in a reaction

The coefficients and molar masses are used to calculate amounts of molecules.

What is different about atoms after a redox reaction has happened

Their oxidation states have changed

How are the oxygen atoms balanced for redox equations in basic solutions

H2O and OH- are added to balance the oxygen atoms.

What is the overall voltage for a redox reaction with the half reactions Ag e Ag and Cu2 2e

0.80-0.34

How does the activity series of metals reflect the stability of metals

The metals highest on the list are the least stable.

What is the most likely to be reduced

Cu 2 +

In what order should atoms be balanced in a hydrocarbon combustion reaction

Answer this question… Carbon, hydrogen, oxygen

Which of the following metals is the most stable

Gold

In the redox reaction AgNO3 plus Na NaNO3 plus Ag which element has been oxidized

Silver (Ag) for apex

How do the coefficients in a balanced equation compare quantites of two substances

These coefficients show the number of molecules involved in the chemical reaction.

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