Metric System, Unit Conversion, Density
Convert 5 kg to g.
5,000 g
Name the element based off of the following properties:
# Protons - 3
# Neutrons - 4
Atomic Mass - 7
Lithium
Name the following polyatomic ion: NH4+
Ammonium
What is the molecular geometry of HBr.
Linear
If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature. What is the new volume?
23.2 L
Convert 0.00817 km to cm.
817 cm
Name the element based off of the following properties:
# Protons - 47
# Neutrons - 61
Atomic Mass - 108
Silver
Name the following polyatomic ion: NO3-
Nitrate
What is the molecular geometry of NH3.
Pyramidal
If 4 moles of a gas at a pressure of 5.4 atmospheres have a volume of 120 liters, what is the temperature?
1973 K
Convert 425,000 mL to L.
425 L
Write the electronic configuration for sodium.
1s^2, 2s^2, 2p^6, 3s^1
What is the first step to making a Lewis Dot Structure?
Counting the number of valence electrons.
2.48 mol O2
What secondary attractive forces are present in HBr
Dipole-Dipole, London Dispersion Forces
A loaf of bread has a mass of 500 g and a volume of 2,500 cm^3. What is the density of the bread?
0.2 g/cm^3
Write the electronic configuration for bromine.
1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^10, 4p^5
Identify the bond present in CCl4
Covalent
How many moles of Fe2O3 are produced when 0.275 moles of Fe are reacted?
0.138 mol Fe2O3
Define acid.
A molecule or other entity that can donate a proton
The density of a substance is 4.0 g/cm^3. If a sample of the substance has a volume of 25 cm^3, then what is its mass?
100 g
Name the compound: Mn2O3
Manganese (III) Oxide
Identify the bond present in Li2O
Ionic
What are the oxidation numbers of N and H in NH3?
N: -3
H: +1
Define base.
A molecule or other entity that can accept a proton