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Chemistry

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Jordi Grant

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Cards in this guide (15)
What is the theoretical yield of a reaction

The amount of product that is possible in a 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.

Why do scientists define systems

It minimizes sources of bias in the 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.

Why is the average atomic mass used when calculating grams of a substance

the elements in the substance are mixtures of their isotopes

Which of the following best describes a galvanic cell

A battery containing a spontaneous redox reaction

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

If an element has three isotopes with known masses what information is needed to find the average atomic mass of the element

The abundance percentage of each isotope

In the reaction MgCI2 plus 2KOH MgOH2 plus 2KCI how many moles of MgOH2 are produced for every mole of MgCl2

The answer is one mole.

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

In the reaction mgcl2 plus 2koh mgoh2 plus 2kcl how many moles of koh react with 1 mole of mgcl2

2

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