Definitions
Is the water in a saltwater solution the solute or the solvent?
What is a solvent?
The number of significant figures that are in the value 1209.00
What are 6 significant figures?
What is CaSO4
Carbon atoms share electron pairs with oxygen atoms in the molecule called carbon dioxide. Sharing of electron pairs is known as this.
What is covalent bonding
PV= nRT
What is Ideal Gas Law?
Bonus 300: When does Ideal Gas Law Fail?
6.022 x 1023
What is Avogadro's number?
The number 0.0006236 has how many significant figures?
What is 4
What is the number of protons, neutrons, and electrons in the following:
209F-
Fluorine ion
9 protons
11 neutrons
10 electrons
What is the strongest force: dipole- dipole, ion-dipole, H-bonding, instantaneous dipole- induced dipole
What is ion dipole
Bonus 100: what type of atoms bond to form ionic bonds
The change from gas to solid
What is deposition
The atomic number tells us this
What is the number of protons?
The mass of a block of gold if the density of gold if the density of gold is 19.32 g/mL, and the volume is 5.00mL
What is 96.6 g
Use VESPR theory to predict the molecular geometry of BH3
What is trigonal Planar
which salt is insoluble?
a) NH4Cl b) Ca(NO)3
c) BaCO3 d) Na2S
e) Zn(CH3COO)2
What is c) BaCO3
Bonus 100: what is the salt's name
The enthalpy of vaporization of water is 40.7 KJ/mol at 100oC. How much energy is required to boil 3,785 g of water?
What is 8.55 x 103 KJ
Draw on your whiteboard a bullseye representing accurate and imprecise
On board
Solve with correct SF.
3.50 + 1000
1000
Is NH3 polar or nonpolar
What is polar
Bonus 100: Name the IMFs it can have
The oxidation number of carbon in K2CO3
What is +4
If I double the moles of gas and increase the pressure by a factor of two the volume of the gas will do this.
What is remains the same
The minimum energy needed to remove an electron from the atom in the gas phase
What is the first ionization energy
What is the frequency of light having a wavelength of 4.50 x 10-6 cm?
(h=6.63 x 10-34)
6.67 x 1015 s-1
A compound contains by mass by mass, 40.0% carbon, 6.71% hydrogen, and 53.3% oxygen. A 0.320 mole sample of this compound weighs 28.8 g. The molecular formula of this compound is:
What is C3H6O3
What volume of 0.50 M KOH would be required to neutralize completely 500 mL of 0.25 M H3PO4 solution?
7.5 x 102 mL
When 0.243 g of Mg metal is combined with enough HCl to make 100. mL of solution in a constant-pressure calorimeter, the following reaction occurs:
Mg(s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g)
If temperature of the solution increases from 23.0 to 34.1oC calculate the change in enthalpy (H) in KJ/mol Mg. Use 4.18 J/goC specific heat and density as 1.00 g/mL.
dH = -464 KJ/ mol