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Chemistry

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Jaylan Streich

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2y ago
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Cards in this guide (15)
What is the basic unit of chemistry

The atom

How is stoichiometry used

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

How is stoichiometry used to calculate the amount of product produced

Stoichiometry relates moles of reactant to moles of product, so if you have the amount of reactant in the equation, you can calculate the amount of product produced.

What is one way forces act on atoms

Forces cause bonds to form.

Why do scientists define systems

It minimizes sources of bias in the data.

What makes balancing redox reactions different from balancing other reactions

Balancing redox reactions is different from balancing other reactions because both the number of atoms and the amount of charge must be balanced.

What is true of both galvanic and electrolytic cells

reduction happens at the cathode

Oxidation happens at the anode

What does a negative cell voltage mean

The reaction is nonspontaneous.

Which of the following best describes a galvanic cell

A battery containing a spontaneous redox reaction

Which is the least likely to be reduced

Mg2+

All life on earth is ultimately dependent on what

The sun for energy

Similar scientific themes are seen in what areas of science

In all areas of science

Which of the following metals is the least stable Silver Potassium Iron or Aluminum

Potassium.

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 an nickel

The voltage of a galvanic cell is the difference between the half cell potentials for the two reactions. For silver and nickel, this is about 1 volt.

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