Show:
Definitions
Ions and Reactions
Concentration
Energy,Calorimetry, and Enthalpy
Miscellanous
100
Depends only on present state of system, not on the path taken.
What is state function?
100
The correctly balanced equation for the dissociation of magnesium chloride into it's ions.
What is: MgCl2 --> Mg^(+2) + 2Cl^(-1)
100
The molarity of a solution containing 7.45 g of NaNO3 dissolved in 200 mL of water.
What is 0.44 M?
100
The change in E for a system that performs 500 kJ of work on the surroundings while 800 kJ of heat is transferred from the surrounding to the system.
What is 300 kJ?
100
The holiday that was yesterday.
What is St. Patrick's Day?
200
An Insoluble salt that "falls out of the solution"
What is precipitate?
200
The molecule and net ionic equations for the neutralization reaction shown below: HBr + KOH --> (Must show all correct steps!)
What is: H^(+1)(aq)+Br^(-1)(aq)+K^(+1)(aq)+OH^(-1)(aq) --> H2O(l)+K^(+1)(aq)+Br^(-1)(aq) H^(+1)(aq)+OH^(-1)(aq) --> H2O(l)
200
The amount of mL of 10 M NaOH required to make 2 L of 5M NaOH
What is 1000 mL?
200
The standard temperature and pressure for measuring thermodynamic variables.
What is 25 degrees Celsius and 1 atm.
200
What JP stands for.
What is Jean-Pierre?
300
A substance that is found in greatest abundance in a solution.
What is a solvent?
300
The molecule and net ionic equations for the reaction shown below: NaCl (aq) + AgNO3 (aq) --> (Must show all correct steps!)
What is: Na^(+1)(aq)+Cl^(-1)(aq)+Ag^(+1)(aq)+NO3^(-1)(aq) --> AgCl(s)+Na^(+1)(aq)+NO3^(-1)(aq) Ag^(+1)(aq)+Cl^(-1)(aq) --> AgCl(s)
300
The amount of grams needed to prepare 0.5 L of a 0.1 M aqueous solution of KHCO3
What is 5 grams?
300
The heat of reaction for: CS2 (l) + 3O2 (g) --> CO2 (g) + 2 SO2 (g) Based on the following: C (s) + O2 (g) --> CO2 (g) H= -393.5 kJ S (s) + O2 (g) --> SO2 (g) H= -296.8 kJ C (s) + 2S (s) --> CS2 (l) H= +87.9 kJ
What is -1075 kJ?
300
The decade that PCCC was founded.
What is the 1970's?
400
Also known as "proton acceptors"
What are bases?
400
The molecule and net ionic equations for the reaction shown below: Na2SO4 (aq) + BaCl2 (aq) --> (Must show all correct steps!)
What is: 2Na^(+1)(aq)+SO4^(-2)(aq)+Ba^(+2)(aq)+2Cl^(-1)(aq) --> BaSO4(s)+2Na^(+1)(aq)+2Cl^(-1)(aq) Ba^(+2)(aq)+SO4^(-2)(aq) --> BaSO4(s)
400
The amount of additional water needed to make a 0.04 M solution from 0.5 L of a 0.1 M solution.
What is 0.75 L?
400
The value of heat flow associated with 10.00 g of water allowed to cool from 100 degrees Celsius to a final temperature of 70 degrees Celsius. Specific Heat for water: 4.184
What is -1255.2 J?
400
The amount of known elements.
What is 115?
500
A loss of electrons.
What is oxidation?
500
The molecule and net ionic equations for the neutralization reaction shown below: HCl (aq) + NaOH (aq) --> (Must show all correct steps!)
What is: H^(+1)(aq)+Cl^(-1)(aq)+Na^(+1)(aq)+OH^(-1)(aq) --> H2O(l)+Na^(+1)(aq)+Cl^(-1)(aq) H^(+1)(aq)+OH^(-1)(aq) --> H2O(l)
500
DAILY DOUBLE!!!! (worth: 1000 points) The whole team can work together to solve this question! What volume of a 7.91 M solution of nitric acid is just sufficient to react with 15.9 g of lead (IV) oxide, according to the following equation: 2PbO2 (s) + HNO3 (aq) --> 2Pb (NO3)2 (aq) + 2H2O (l) + O2 (g)
What is 0.0042 L?
500
The enthalpy of the reaction below: C3H8 (g) + 5O2 (g) --> 3CO2 (g) + 4H2O (l) using the appropriate standard enthalpies of formation. C3H8 H=-103.85 kJ O2 H= 0 kJ CO2 H= -393.5 kJ H2O H= -285.8 kJ
What is -2219.9 kJ
500
JP's favorite color.
What is Black?