Teoría Flashcards

1
Q

Grams and kilograms

A

Normal units of mass.

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2
Q

AMU

A

Atomic mass unit, mass of a chemical element expressed in units.

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3
Q

Mole

A

Represents the number of atoms present.

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4
Q

Formula of a compound

A

Represents the relative numbers of the various types of atoms present.

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5
Q

Empirical formula

A

Minimal expression of the formula of the compound.

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6
Q

Molecular formula

A

The actual formula, the one that gives you the composition

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7
Q

Chemical reaction

A

Process in wich atoms rearrange to form new substance(S)

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8
Q

What happens in a chemical reaction?

A

Atoms rearrange

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9
Q

Chemical equation

A

Description of a reaction using element symbols and chemical formulas

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10
Q

Subscript

A

Describes the number or atoms of an element

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11
Q

Reactant

A

Starting sub in a chemical reaction

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12
Q

Products

A

Sub by the chemical reaction

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13
Q

Law of conservation of mass

A

not creates or destroyed (mass) onl transformed

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