Jan 2024
How does water exist as a solid on Earth
ice
Contrast Intramolecular and Intermolecular forces.
Intramolecular are inside molecules and Intermolecular are between molecules
Can you straight from Massfield to Atomville?
no, you gotta stop in Moletown
Identify two Physical Properties of Bases
dissociative and release hydroxide
Why is ocean acidification not completely accurate?
Because its not really acidic the pH is just lowering.
How does water exist as a gas on Earth
steam
Identify coefficients of 2C2H6 + 7O2 -> 6H2O + 4CO2
2,7,6,4
How do you convert from Mass to Moles.
1 mol/# grams
What don't bases react with
metals
When Temperature increases, what happens to Keq acc. to Le Chateliers Principle.
it decreases
Is rust a chemical or physical change
chemical
Describe London Dispersion Forces
The weak intermolecular attractions that result from constant motion of electrons
What happens once limiting reactant is used up
no more products can form
What is an acid
substance that donates protons in a solution
Calculate [OH-1] in a solution with POH = 4.67
10^-4.67= 0.0000213
What is precision
How close measurements are two each other
Synthesis Reaction
2 or more Reactants form one compound
What happens when a unit is above and below the fraction?
They cancel out
What is the neutral pH.
7.0
What other problem is ocean acidification linked to?
Climate Change
What is accuracy
how close a measurement is to correct value of quantity being measured
What's a Combustion Reaction
burning of a hydrocarbon in oxygen, yeilding carbon dioxide gas and water vapor
What is the fundamental conversion factor for Stoichiometry
Mole Ratio.
when Chem Rxn proceeds left to right
What does the Greek symbol delta represent in terms of chemical reactions?
change, such as in energy