Module 1: Properties and Structure of Matter
BO3
What is the chemical formula for Boron trioxide
6.022 x 1023
What is Avogadro's Number?
A + B -> AB
What is a synthesis reaction?
An reaction that absorbs energy when it reacts is:
Endothermic
Australian poet known for his poem about bellbirds
Who is Henry Kendall?
1s2, 2s2, 2p6, 3s2, 3p5
What is the spdf notation of Chlorine
The substance that is totally consumed when the chemical reaction is complete, while other reactant remains
What is the limiting reagent?
This type of reaction decreases enthalpy and releases energy to the surroundings
What is an exothermic reaction?
What is Gibbs free energy
ΔG = ΔH - TΔS
Solid formed from the reaction of sodium thiosulfate and hydrochloric acid
What is sulfur?
Heterogenous Mixture
What is a mixture of two substances that stay physically separate?
Shorthand diagrams for showing how electrons are shared in a covalent bond
What are Lewis Dot diagrams?
Is the entropy in the following increasing or decreasing
1.O2(g) -> 2O(g)
2.N2(g) + 3H2(g) -> 2NH3(g)
1) Increase
2) Decrease
The bonds that hold atoms together within a molecule
What are intramolecular bonds?
PV = nRT
What is the Ideal Gas Law
Activation Energy
The minimum amount of energy that is required for a set of reactants to begin reacting?
When is a reaction always spontaneous
Enthalpy is negative
Entropy is positive
This element is named for the latin aurum
What is gold?
A bond where valence electrons are shared between atoms.
What is a covalent bond?
24.79 L
What is the Molar Gas Volume at Standard Laboratory Conditions?
This increases when a species undergoes oxidation
What is oxidation number?
Calculate the enthalpy change of the formation of water using the bond energy formulas below:
Bond energy (kJ/mol)
O = O 498
O – O 144
O – H 463
H – H 436
-484kJ/Mol
Exothermic reaction
This country is the world's leading producer of bananas.
What is India?