Units 1-3
This subatomic particle has a positive charge and is found in the nucleus
What is a proton?
These ions appear unchanged on both sides of a complete ionic equation.
Spectator Ions
N2O4(g)⇌2NO2(g)
According to Le Chatelier's Principle, what will happen when more NO2 is added to the system.
Shift left.
This functional group contains an –OH group attached to a carbon chain (ROH).
Alcohol
Where is Ms. Mukherjee going for grad school?
Duke!!!
What is the electron configuration of Zirconium
1s2 2s2 2p6 3s2 3p6 4s 3d2
This law states that matter cannot be created or destroyed in a chemical reaction.
The Law of Conservation of Mass
For the reaction at equilibrium:
CaCO3(s) ⇌ CaO(s) + CO2(g)
Write the correct expression for Kp for this reaction.
Kp=PCO2
A carbon chain has a methyl group attached to the second carbon of a propane chain. What is the correct name of the compound?
What is 2-methylpropane?
What gas is responsible for making soda fizzy?
Carbon Dioxide (CO2)
As ionic charge increases and ionic radius decreases, lattice energy generally ________
Decreases
According to Hess’s Law, if a chemical equation is reversed, the sign of this value must also reverse.
What is enthalpy change (ΔH)?
What type of cell requires an external power source?
Electrolytic cells
What is the correct IUPAC name for this (I will also draw this on the board)?
__ /
/ \
Cl
1-chloropropane
What element of the periodic table is most closely related to superman?
Krypton
Silicon Dioxide (SiO2) has a very high melting point because it is what type of solid?
Covalent Network
The slowest step in a reaction mechanism is known by this term because it determines the overall reaction rate.
What is the rate-determining step?
For a reaction at a given temperature, K=3.5. At a certain moment, the system is observed to be shifting to the right to reach equilibrium.
What range must Q fall?
0<Q<3.5
Identify the functional group of this molecule:
CH₃–CH₂–COOH
Carboxylic acid
What are the 5 indicators of a reaction?
Color change, gas production, precipitate formation, temperature change, light emission
What is Coulomb's Law (give the exact formula)?
F=k|q1*q2|/r^2
A student performs an experiment using a coffee-cup calorimeter to measure the enthalpy change of an endothermic reaction. However, the calorimeter is not properly sealed, allowing heat from the surroundings to enter the system.
Compared to the true value, will the experimentally calculated ΔH for the reaction be an overestimate or an underestimate?
Underestimate.
A weak acid HA is titrated with a strong base. At the half-equivalence point, the pH is measured to be 4.76. At the equivalence point, the pH is measured to be 8.72
Which of the following is a possible pH range when [HA]>[A−]
pH<4.76
What is the name of this molecule (I will also draw this on the board)?
Cl ___ /
\ ___ // \ ___
/
2-chloro-5-methyl-3-heptene
DOUBLE JEOPARDY!!!
Who is the better Pranav (Rajeev or Rengaraj)?
Rajeev (obviously)