What are the conditions where a real gas behaves most like an ideal gas.
High Temperature and Low Pressure
What is true about the rates of forward and reverse reactions at equilibrium?
They are equal
What is the general format of a neutralization reaction?
Acid + Base → Salt + Water
Where do oxidation and reduction occur in a voltaic cell?
Oxidation: Anode
Reduction: Cathode
What makes 1-propyne an unsaturated hydrocarbon?
Triple bond
Fill in the blank:
Increasing pressure _________ the solubility of a gas
increases
What is true about the concentrations of products and reactants in an equilibrium reaction?
They are constant
What color is methyl orange in a solution with a pH of 4.0
Orange
Which species is oxidized when the switch is closed?
Mg (s)
What is this functional group:
Amide
DOUBLE JEOPARDY
According to table G which substance is least soluble at 40oC
SO2
The energy needed to start a chemical reaction is called
Activation energy
According to the Arrhenius Theory, what ions make a substance an acid? A base?
Acid : H+
Base: OH-
DOUBLE JEOPARDY
What is the oxidation number of iodine in KIO4?
+7
Name this molecule:
3-ethylhexane
If the volume of a gas doubles at constant temperature what happens to the pressure of the gas?
Halves
Describe the role of a catalyst in a reaction
Lowers activation energy; provides an alternate reaction pathway
A solution has a pH of 5, if the hydronium ion concentration is increased by a factor of 100 what is the new pH
3
What is the purpose of the salt bridge in a voltaic cell?
To allow for the flow of ions; to maintain electrical neutrality
What is the definition of an isomer?
Same molecular formulas, different structural formulas.
Compare the boiling point of pure water to the boiling point of a 1.0 M solution of potassium nitrate
Boiling point of pure water is less,
Boiling point of the solution is greater
N2(g) + O2(g) ←→ 2 NO(g)
As the concentration of N2 increases, what direction will the reaction shift and will happen to the concentration of O2?
Reaction shifts right and the concentration of O2 will decrease.
What is the volume of a 0.2M HCl solution that exactly neutralizes 50.0 mL of a 0.6 M NaOH solution?
150.0 mL
Given CuO + CO → CO2 + Cu, which element is being oxidized and which element is being reduced?
Oxidized: C+2
Reduced: Cu+2
What is the product of the esterification reaction between propanol and butanoic acid?
Propyl butanoate