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Chemistry

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Laverna Conn

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Cards in this guide (19)
How is stoichiometry used

Stoichiometry is used to find the molar ratios between the reactants of a chemical reaction.

What is one way forces act on atoms

Forces cause bonds to form.

How are models affected by new evidence

Models are changed if they don't fit new data.

How do atoms show both unity and diversity

There are relatively few atoms, but they make many molecules.

What is true of both galvanic and electrolytic cells

reduction happens at the cathode

Oxidation happens at the anode

What happens to the anode in an electrochemical cell

it loses mass

What happens at the cathode in an electrolytic cell

Reduction occurs at the cathode in an electrolytic cell.

What gets heavier in an electrochemical cell

The cathode

Which of the following best describes a galvanic cell

A battery containing a spontaneous redox reaction

Which electrode gets heavier in an electrolytic cell

The electrode where reduction occurs.

What is the average atomic mass of an element with isotopes a b and c

(mass of A) x (%of A) + (mass of B) x (% of B) + (mass of C) x (% of C)

Which metal gets coated during electroplating

The cathode gets coated during electroplating.

Reduction occurs at which electrode

The electrode that removes ions from solution

Similar scientific themes are seen in what areas of science

In all areas of science

What is a trend seen in the periodic table

electronegativity

Which of the following compounds is the most stable LiCl CuCl2 AlCl3 AgCl

licl

Which of the following statements describes electromagnetism

Magnetism can create electricity, and electricity can create magnetism.

In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made

The amount of Koh

What is the voltage of a galvanic cell made with silver Ag and Nickel Ni

1.05 V

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