Vocabulary
This has an evenly distributed composition
Homogeneous Mixture
From the google slide show what is the data trend being displayed by the line graph - 100
Direct
From the attached slides in Google classroom, from the solubility graph:
Which chemical is most soluble at 20oC
NH3
Use the Google slide show for the chemical equation to answer the following Question:
What are the Products of this chemical reaction?
KNO3 and PbI2
List the 4 factors that effect solubility
Nature of solute and solvent
Temperature
Stirring
Particle size
This is a type of change in which the form of matter is altered but its identity remains the same.
Physical Change
From the google slide show what is the data trend being displayed by the line graph - 200
Non-related
From the attached slides in Google classroom, from the solubility graph:
What chemical becomes saturated with 45 grams at 60oC
KCl
Use the Google slide show for the chemical equation to answer the following Question:
What chemical is the precipitate?
PbI2
The solubility of a gas is a __________ data trend.
Inverse
________ is a substance that is changed back into a solid from a solution, because it un-dissolves, due to being insoluble in water.
Precipitate
From the google slide show what is the data trend being displayed by the line graph - 300
Inverse
From the attached slides in Google classroom, from the solubility graph:
Can 40 grams of KClO3 be dissolved into at 70oC?
No, at 70oC KClO3 becomes saturated at 36 grams.
Use the Google slide show for the chemical equation to answer the following Question:
Is the following Chemical equation a chemical or physical change?
Chemical change, the chemical identities are changing from reactants to products
For example reactant KI changed to product KNO3
Write a general relationship for the solubility of a salt (solid) as temperature increases.
As temperature increases the solubility of the salt also increases.