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Chemistry

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Rozella Berge

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Cards in this guide (14)
How many moles are in one molecule

The answer is that there are 6.0221415 x 1023 molecules in 1 mole. (not moles in a molecule)

How is molarity measured

In moles of substance dissolved in 1 L of water -Apex

How is stoichiometry used

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

Who thought fire was one of four elements

Aristotle

Which property has a trend similar to that of electronegativity

First ionization energy has a trend similar to that of electronegativity.

What information does the percent composition of an atom in a molecule give

The relative amount of mass an atom contributes to a molecule

What trend does the first ionization energy follow in the periodic table

It decreases when going down a group.

What conditions will cause a redox reaction to be nonspontaneous

The sum of the voltages of the oxidatiin and reduction half-reactions is negative.

What happens to the anode in an electrochemical cell

it loses mass

What shape is generated when the plane cuts the given solid in the manner shown

The following word describes the generated shape:

What might be a scientific question

One that deals with "why" or "how" (apex)

Pentane Methane Propane Octane Which of these chemical formulas represents the formula for C3H8

propane

Which of the following contains a polar covalent bond NaCl NO O2 Na(s)

no

What is characteristic of a covalent bond

Electrons are shared between two different nuclei.

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