LAB Quiz Flashcards
(26 cards)
What are the molecules on the left are called?
Reactants
What are the subatomic particles found in all atoms?
Protons, Neutrons, and Electrons
What are the molecules on the right are called?
Products
What is the change from reactants to products called?
Chemical reaction
When hydrogen gas (H2) and oxygen (O2) produce water (H2O), how many H2 molecules are needed?
2
How many molecules of water are produced from the combination of H2 and O2?
2
Two water molecules share a hydrogen atom occasionally which causes a bond shift. What is shifted? What is left behind?
H and OH-
What is the equations for water molecules?
2H2+O2 => 2H2O
Why does hydronium have a positive charge?/
It has an extra Proton
Why does hydroxide have a negative charge?
It has more electrons than Protons
Ammonia is a base and therefore forms NH4+ What is the equation?
NH3+H+ <=> NH4+
What is the behavior of ammonia that makes it be a base?
It is a neutral
What is the chemical equilibrium between carbonic acid and bicarbonate?
pH
What do hydrogen ions (H+) have to do with pH?
When H+ decreases pH increases
What does the 2 in NH2 signify?
There are 2 hydrogen
What does the 2 at the end of (NH2)2 signify
There are 2 NH2 bonds
Define hydrocarbon
Hydrogen and Carbon bonded
What does the -ane in ethane tell you about the bonds in the molecule?
The bonds are singular
What does the -ene in ethene tell you about the bonds in the molecules?
There are multiple bonds
Put the prefix and suffix together and define ethane
2 singular hydrocarbons
Define isomer
Compounds with the same formula but different structures
What are the 3 types of isomers
Structural, Geometric, Enantiomer
What type of isomers are butane and isobutane? Why?
Structural because they have different single bonded structures
