What unit do we use for temperature in gas laws?
Kelvin
MgCO3
Write the Lewis Dot for Bromine?
..
. .
. BR .
.
What type of reaction is shown below:
Zn + H2SO4 ----> ZnSO4 + H2
Single Displacement
Acid or Base:
Turns litmus paper blue
Turns litmus paper red
pH of 7
distilled water
produces hydronium ions in water
Base
Acid
Neutral
Neutral
Acid
What three laws make up the combined gas laws?
Boyles, Charles, Gay-Lussac
What is the name of Fe2(SO3)3
Iron III Sulfite
27.7%
What is the name of the following acid?
HClO4
perchloric acid
Oxygen gas is stored in a steel container with a volume of 12.5 L under a pressure of 50.0 atm. What volume will the gas occupy when its released to a pressure of 3.5 atm, if temperature is constant?
178.6 L
Write the electron configuration and orbital fill for Cu.
1s2 2s2 2p6 3s2 3p6 4s1 3d10
How many atoms are in 1 mole and what is this called?
6.02 x 1023 Avogadro's number
If you have 4.5 x 1024 atoms of uranium, how many grams would you have?
1779.3 grams U
Write the example equation for a neutral reaction?
Acid + Base --> Salt + HOH
In a tank with constant volume the temperature changes from 25 C to 45 C. If the initial pressure inside the tank was 195 kPa, what is the final pressure?
208.1 kPa
Write the atomic number, mass #, valence electrons, protons, neutrons, total electrons, and family name for Cl-37
17
37
7
17
20
17
halogens
What is the energy if the wavelength of a light is
8.3x10-9 m?
2.39 x 10-17 J
Write a synthesis equation for Iron III reacting with Oxygen gas.
4 Fe + 3O2 ----> 2 Fe2O3
___________ --> KCl + H2O + CO2
K2CO3 + 2 HCl --> 2 KCl + H2O + CO2
A refrigeration system contains 575 mL of a gas at 22 C and 1.25 atm. The gas is compressed until it has a pressure of 2.00 atm and a temperature of -6 C. What is the new volume?
325 mL or 0.325 L
What are the family names of the periodic table in order?
Alkali
Alkaline Earth
Boron
Carbon
Nitrogen
Oxygen
Halogens
Noble Gases
What is energy of a wave if the wavelength is 6.43 x 107 m?
3.09 x 10-33 J
If you begin with 65.3 liters of oxygen gas, how many grams of water would you be able to make?
C3H8 + 5O2 --> 3CO2 + 4 H2O
42.03 g
Complete and balance
Ba(OH)2 + HNO3 -->
Ba(OH)2 + 2HNO3 --> Ba(NO3)2 + 2HOH