May 2024
Why is the term "Ocean Acidification" not completely accurate?
B/c the ocean isn't actually turning acidic.
Which direction does the arrow face in a forward reaction?
It faces to the right
What is Molar Mass?
The total mass of a molecule in mols.
Reaction where two smaller Compounds combine to form one larger Compound?
Synthesis Reaction
When counting Sig figs, when do Trailing Zeroes count as significant?
When there is a Decimal Point in the measurement the count.
What does seawater with a pH of 8.0 or lower do to Calcium Carbonate shells?
It dissolves/ decomposes the shells.
what is equilibrium?
State where the forward reaction is occurring at the same rate as the partner.
According to the road map, can you go straight from Massfield to Moletown?
Yes you can.
Which Reaction Type is this?
P4(g) + 3O2(g) —> 2P2O3(g)
Synthesis Reaction
What never changes in the Ideal Gas Law?
Calculate the [H+1] in a solution with pH of 10.83
-log=[10^10.23]=1.5x10^-11M
What is Ionization of water?
A Chemical reaction involving the transfer of a proton from one h20 molecule to another H20 molecule to produce 1 hydronium ion and one hydroxide.
What happens when the Limiting Reactant is all used up?
The Chemical Rxn will end.
Separate each Reactant into its Cation and Anion, then determine the 2 Products using Ion Interchange.
NH4NO3(aq) + HCl(aq) ---> ?
Reactant #1: NH4+1(aq) + NO3-1(aq)
Reactant #2: H+1(aq) + Cl-1(aq)
Product #1: NH4Cl(aq)
Product #2: HNO3(aq)
How do you know when there are 3 fractions in the Pressure Conversion?
How are Hydrogen ions (H+1) released into seawater based on increased CO2?
One dissolved CO2 molecule in the ocean May react w/ H2O to release 2H+1 ions.
What is the equation of KW?
KW= [H+1] [OH-1] =1.0 x 10^-14M
Write the Mole Ratio (MR) for this Balanced Chemical Equation (BCE): C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g)
1 mol C3H8 : 5 mol O2 : 3 mol CO2 : 4 mol H2O
Describe what a Double Displacement Reaction is?
Reaction where 2 Metals on 2 Ionic Compounds switch positions.
Describe the State of Matter on the Melting Point line of a Heating Curve.
The matter is transitioning from a solid to a liquid. (the further the right you move on the line the higher percentage of the matter will be liquid)
Explain how adding CO2 to seawater in the ocean is disrupting the Carbon Equilibrium between the ocean and atmosphere.
Pushes the Rxn forward towards the right.
Calculate [OH-1] in a aqueous solution at 25C with 1.0 X 10^-12M H+1
1.0 x 10^-2M basic
True or False? If you end in Massfield or Atomville, you need to have one fraction that represents ending in that Town too.
False, the fraction representing the street before has the units in the numerator representing that Town that it was just in.
Which Reaction Type is this?
__C5H12(g) + __ O2(g) —> __CO2(g) + __H2O(g)
Combustion Reaction
If 3 darts are thrown at a board, and they all hit in different spots away from the bullseye, this would be an example of _______ (High/low) precision, and ______ (High/low) accuracy.
Low, and Low