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Chemistry

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Queenie Botsford

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3y ago
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Cards in this guide (10)
How is molarity measured

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

What is the correct name for the compound N2O4

The correct name is dinitrogen tetroxide.

How is stoichiometry used

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

What is the net ionic equation for the reaction between Na2SO4 and CaCl2

SO42-(aq) + Ca2+(aq) ---> CaSO4(s)

What property characterizes a spontaneous redox reaction

A positive sum of the two half-reactions' standard potentials

What contribution did Niels Bohr make to atomic theory

He made a model of the atom, with electrons circling the nucleus.

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

The relative amount of mass an atom contributes to a molecule

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

propane

A steam engine depends on what kind of energy conversion

Heat energy to kinetic energy

What is characteristic of a covalent bond

Electrons are shared between two different nuclei.

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