Acid & base, Chemical equilibrium, & conjugate acid-base pairs
Whats the Ph measure?
the acidity of a liquid solution
What does a Bronsted-Lowery acid do?
Donates H+ ions
What is the molar mass of H2O?
18 g/mol
What type of reaction is this? A+B-AB
Synthesis reaction
What is the name of NaCl?
Sodium Chloride
Which acid base has the lower pH?
strong acids have lower pH
In the reaction HCL+H2O-H3O+Cl, what is Cl called?
The conjugate base
What number tells how many particles are in one mole?
Avogadro's number
Balance this equation: _Al+_O2-_Al2 O3
4Al+3O2-2Al2 O3
What inter molecular force exists between water molecules?
Hydrogen bonding
2H2 (g)+02 ⇌H20(g) H= -484 kJ
For ↓ [O2], what's the Equilibrium Shift?
little arrow going right
big arrow going left
Which characteristic has a sour taste
Arrhenius acid
In the equation 2H2+O2-2H2O, how many moles of water are produced from 2 moles of O2
4 moles
What chart is used to predict single replacement reactions?
The activity series
What is the formula for dinitrogen pentoxide?
N2O5
2PH3(g) ⇌ P2(g) + 3H2(g)
ΔH = 83 kJ
1. ↑Pressure
a). Equilibrium Shift
b). [PH3]
c). [H2]
a) lil arrow top big arrow bottom
b) arrow going up
c) arrow going down
Is a solution with a ph of 11 acidic, basic, or neutral?
Basic
What is the reactant called that gets used up first?
The limiting reactant
What are the products of this reaction? AgNO3+NaCl-
AgCl+NaNO3
What is the weakest inter molecular force?
London dispersion forces
what did the ocean do to balances (up arrow)co2 in the atmosphere?
it obsorbed CO2
What is the pH if [H+]=1x10-4?
4
What is the molarity of a solution with 4 moles in 2 liters?
2 M
What type of reaction is this? AB-A+B
Decomposition reaction
What is the formula for calcium nitrate?
Ca(NO3)2