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Chemistry

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Alphonso Nicolas

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Cards in this guide (17)
What is the correct name for the compound N2O4

The correct name is dinitrogen tetroxide.

What gas represents the chemical formula C4H10

n-Butane

How is stoichiometry used

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

What redox conditions will produce a spontaneous reaction

The sum of the voltages of the half-reactions is positive.

Which property has a trend similar to that of electronegativity

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

Who is famous for discoveries in radioactivity

marie curie

Which element has the same number of valence electrons as As

Nitrogen, phosphorus, arsenic, antimony and bismuth: all have 5 valence electrons as they belong to the same group.

Which of the following describes the entropy change of a gas reaction

If there is an increase in the number of gas molecules, then S > 0.

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)

What is characteristic of an ionic bond

Electrons are lost from one atom and gained by another

What are the half reaction for an electrolytic cell with aluminum and gold electrodes

Nose

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

propane

All life on earth is ultimately dependent on what

The sun for energy

A steam engine depends on what kind of energy conversion

Heat energy to kinetic energy

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

no

What contribution to atomic theory resulted from Albert Einsteins work

a new model of the atom that describe electrons as being in a cloud

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