Le Chatelier’s Principle, pH, & Ocean Acidification
2H2S(g)><2H2(g) + S2 (g) H=52 kJ
If S2 goes down, what is the Equilibrium Shift?
Big arrow going right on top and little arrow going left on bottom.
Label the BLA and CB Pair and the BLB and CA Pair for the equation CN-1(aq)+H2O(l)><OH-1+HCN(aq).
CN-1(aq)=BLB, HCN(aq)=CA, H2O(l)=BLA, OH-1(aq)=CB
How many Burgers can be made?
10.
Calculate #mol H2O produced with 1.068 mol CO2.
1.424 mol H2O.
Attractive forces exist between protons and electrons in ____?
Atoms.
2H2S(g)><2H2(g) + S2 (g) H=52 kJ
If Pressure goes down, what does S2 do?
It goes up.
What properties do you think of when you heard the word "acid?"
Something that tastes sour or something that is very corrosive meaning it can dissolve materials.
a.) Starting Town?
b.) Ending Town?
c.) How many streets and which ones?
d.) How many fractions are needed?
a.) Atomville
b.) Massfield
c.) 2, Avogadro's Lane & Molar Mass Way
d.) 4
Br2 (g) + HCl (aq) >
No Reaction (NR)
What is Hydrogen Bonding?
A special kind of Dipole-Dipole Interaction.
2H2S(g)><2H2(g) + S2 (g) H=52 kJ
If Temperature goes up, what does H2 do?
It goes down.
Does Bases donate or gain a Hydrogen ion?
They gain a Hydrogen ion.
Massfield to Moletown:
a.) Starting Town
b.) Ending Town
c.) How many streets & and which ones?
d.) How many fractions are needed?
a.) Massfield
b.) Moletown
c.) 1 street, Molar Mass Dr.
d.) 3
What is Decomposition Reaction (DR)?
CR where one Reactant breaks down to form 2 Products.
What is the Covalent Bond Name of BrF5?
Bromine Pentafluoride.
What has occurred in the past 200 years?
The pH of the ocean has dropped to 8.1.
What is Chemical Equilibrium?
A state where FR is occurring at the same rate as RR.
Calculate the Molarity of Solution prepared by dissolving 79.368g InPO4 in enough water to make 40.85L of Solution.
Molarity = 0.01 M InPO4
What is Double Displacement Reaction (DDR)?
CR where two Elements are exchanged with each other.
What is the formula of Trinitrogen Pentachloride?
N3Cl5.
What does CO2 dissolved in H2O make and what can this substance do in the ocean?
CO2 dissolved in H2O makes carbonic acid. It can dissolve sea shells, limestone, and coral reefs.
Calculate the [H+1] in an aqueous solution at 25 with a [OH-1] of 1.0 x 10.8 M. Kw = 1.0 x 10-14 M.
Kw = [H+1] [OH-1] = 1.0x10-7 M
Calculate the (H+1) in an aqueous solution at 25 degrees C with 1.0x10-5m OH-1. Determine the solution type as well.
(H+1) = 1.0x10-4m.
Balance the Chemical Equation _H2O(g)+_CO2(g) --> _C7H8(g)+_O2(g).
4H2O(g)+7CO2-->_C7H8(g)+9O2(g).
What is the formula of Carbon Tetrafluoride?
CF4.