Chemical Foundations
Atoms, Molecules, & Ions
Stoichiometry
Chemical Reactions
Gases
100
The measure of the resistance of an object to a change in its state of motion
What is Mass.
100
This physicist studied electrical discharges in partially evacuated tubes called cathode-ray tubes.
Who is J.J. Thomson.
100
The simplest whole number ratio of the various types of atoms in a compound
What is an empirical formula
100
Process of adding solvent to reduce molarity
What is dilution
100
The SI unit for Pressure
What is the Pascal
200
These can be decomposed to elements only through chemical changes.
What is a compound.
200
The formula for Gallium Bromide.
What is GaBr3.
200
The maximum amount that can be produced from a given amount of the limiting reactant.
What is Theoretical Yield
200
According to the Bronsted Lowry model, this is a proton donor.
What is an Acid.
200
Law that demonstrates how the volume of gas is directly proportional to temperature.
What is Charles's Law
300
Substances that cannot be decomposed into simpler substances by chemical or physical means.
What are elements
300
In an experiment it was found that the total charge on an oil drop was 5.93 x (10^-18)C. How many negative charges does the drop contain?
What is 37 negative charges (electrons)
300
Instrument used to compare the masses of atoms.
What is a Mass Spectrometer.
300
Term used to describe solution in which the dissolved substance produces no ions
What is a nonelectrolyte
300
The ratio of the number of moles of a given component in a mixture to the total number of moles in a mixture.
What is the mole fraction.
400
Will a block of material having a volume 1.2x(10^4) cubic inches and weighing 350lb float or sink when placed in a reservoir of Water?
Float!
400
The chemical formula for cesium perchlorate.
What is CsClO4.
400
The coefficients for the balanced equation of: NH3 + O2 --> NO + H2O
What is 2 1 1 3
400
The insoluble product formed by the mixing of the following solutions: Na2SO4 + Pb(NO3)2 -->
What is PbSO4
400
Model that assumes that an ideal gas is composed of tiny particles in constant motion
What is Kinetic Molecular Theory.
500
The general name for a series of methods for separating mixtures by employing a system with a mobile phase and a stationary phase.
What is chromatography
500
What is the chemical formula for ammonium hydrogen phosphate?
What is (NH4)2HPO4
500
Given the following equation, what mass of gaseous carbon dioxide can be absorbed by 1000g of lithium hydroxide? LiOH + CO2 --> Li2CO3 + H2O
What is 920 g CO2
500
Give the complete Ionic equation given the following two reactants: KCl + AgNO3 -->
What is Cl- (aq)+ Ag+(aq) --> AgCl (s)
500
Term used to describe the passage of a gas through a tiny orifice into an evacuated chamber.
What is effusion.
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