inversely
Name the following compound: LiF. Why is it an ionic compound?
Lithium Fluoride It is an ionic compound because the first part of the name is a metal ion whereas the second part of the name is a non-metal ion.
Name the following compound: CO. Why is it a Covalent compound?
Carbon monoxide. It is a molecular compound because both parts of the name are non-metals.
A substance that has a pH of 3.45 is said to be what?
Acid
What is the charge of each group
1 +1
2 +2
13 +3
14 +4/-4
15 -3
16 -2
17 -1
18 0
The n in the ideal gas law stands for what?
Write the chemical formula for calcium chloride.
CaCl(2)
Quick learning check: What is the difference between an ionic compound and a Covalent compound?
Ionic compounds= first part of the name is a metal ion whereas the second part of the name is a non-metal. Covalent Compound= both elements are non-metals.
Base
Write the following word equation as a chemical formula: sodium chloride ----> sodium + chlorine
NaCl ----> Na + Cl2
What are two of the 5 KMT assumptions
inelastic, constant motion, relative to their size, higher temp more kinetic energy, no forces of attraction.
Write the chemical formula of aluminum oxide.
Al2O3
Write the chemical formula of sulfur dioxide
SO2
What type of reaction is this? copper + silver nitrate ----> silver + copper nitrate
Single displacement reaction
Balance the following equation: ___ K + ___ Br2 ----> ___ KBr
2 K + Br(2) ----> 2 KBr
If the initial volume was 1.5 L at a temperature of 20'C what will the final volume be if the final temperature is 55'C.
1.67 L
Name the following compound: NaBr
Sodium bromide
Write the chemical formula for carbon tetrachloride.
What type of chemical reaction is this? Water ----> hydrogen + oxygen
Decomposition reaction
Balance the following chemical equation: ___ S + ___ O2 ----> ___ SO3
2 S + 3O(2) ----> 2 SO(3)
At 1.2 atm with 22.5 moles of gas and 290'C, what volume does the gas occupy?
R = 0.08206
835.47 L
Write the chemical formula of potassium sulfide.
K2S
Name the following compound: NO. Is this Covalent?
Nitrogen monoxide. Yes it is a Covalent because both nitrogen (N) and oxygen (O) are non-metals.
If 31.5 mL of a 2.5 M solution is diluted, what is the final molarity of a 74 mL solution.
1.06 M
Balance the following chemical equation: ___ As + ___ O2 ----> ___ As2O5 What type of reaction is this?
4 As + 5 O(2) ----> 2 As(2)O(5) This is a synthesis reaction.