Types of Reactions
How many different types of reactions are there?
5 types of reactions (Combination, Decomposition, Single-replacement, Double-replacement, Combustion)
What does 6.022 x 1023 particles represent?
The Mole.
What is a solution?
A homogeneous mixture containing two substances.
What does a compound need to transition from one phase to another?
It requires heat energy or it needs to release energy.
What is standard pressure?
101.3kPa
What is a Combination Reaction?
A chemical change in which two or more substances react to form a singleness substance.
What is the number of particle in a Mole of anything known as?
Avogadro's number
What is the solvent?
The solvent is the substance in which another substance is dissolved
What happens when a system loses energy?
The energy is released through heat.
What is standard temperature?
273K or 0C
What type of reaction would this be classified as,
AB--->A+B
Decomposition Reaction
What is Molar mass represented in?
Grams
What is the substance that is dissolved in the solvent?
Solute.
What does 334 j represent?
Heat fusion, the amount of energy needed to bump up one gram of water, one degree.
Where do we find solubility curves?
Table G
Give an example of a Replacement reaction.
ex. AB+C--->AC+B
What is molar mass?
A species mass in amu.
If 5 grams of NaCl are dissolved in 100 grams of water what is the mass of the solution?
105 grams
What does delta signify?
Heat/energy change
What does this equation help you find?
mass of part/mass of whole x100
percent composition
What does a Combustion reaction produce?
Produces energy in the form of heat or light.
Find the molar mass of-
(NH4)3PO4
148g
What is molarity?
Molarity tells us how much solute is in a solution.
Is the reaction CH4 + 2O2 → CO2+H2O taking or releasing energy?
-890.4, releasing energy
How is molarity found?
moles of solute/ liter of solution