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
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.