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
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
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
Pentane Methane Propane Octane Which of these chemical formulas represents the formula for C3H8
All life on earth is ultimately dependent on what
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)
What contribution to atomic theory resulted from Albert Einsteins work
a new model of the atom that describe electrons as being in a cloud