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Chemistry

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Laury Homenick

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Cards in this guide (17)
What is the basic unit of chemistry

The atom

What does the average atomic mass represent

The average atomic mass represents the weighted average of the masses of the isotopes of the element.

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.

How do atoms show both unity and diversity

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

What is the voltage of a galvanic cell made with magnesium and gold

4.2 V

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

Which is the least likely to be reduced

Mg2+

What characteristics indicates that an atom is unstable

by creating very strong bonds

What pieces of information is given in a half reaction

The number of electrons transferred in the reaction . . APEX c;

All life on earth is ultimately dependent on what

The sun for energy

Which the following is a necessary product of a combustion reaction

heat

Which of the following statements describes electromagnetism

Magnetism can create electricity, and electricity can create magnetism.

What is one way forces act on a atoms

Forces causes bonds to form

Which is the most likely to be reduced

something about "native" should be ur answer..apex

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