Chemistry 2 IB

Unit 1 Foundations 1

 

Students should

Recognize equivalents, write conversion factors and perform conversions.

Use conversions to solve problems.

Distinguish between weight and mass.

Define density, recognize it as a physical property and perform density calculations.

Distinguish between accuracy and precision.

Define and calculate error and percentage error.

Recognize sources of error in a laboratory.

Determine the number of significant figures in a measurement.

Perform mathematical operations involving significant figures.

Perform mathematical operations involving scientific notation.

Define density, recognize it as a physical property and perform density calculations.

Apply the mole concept to substances (1.1.1)

Determine the number of particles and athe amount of substance (In moles). (1.1.2)

Define the terms relative atomic mass (Ar) and relative molecular mass  (Mr) (1.2.1)

Calculate the mass of one mole of species from its formula. (1.2.3)

Solve problems involving the relationship between the amount of a substance in moles, mass and molar mass. (1.2.3)

Calculate the percentage composition of elements in a given compound.

Distinguish between the terms empirical formula and molecular formula (1.2.4)

Determine the empirical and molecular formula of a compound from percentage composition, laboratory data and molar mass data. (1.2.5&6)

*Reference in Holt: Modern Chemistry.  

Safety (E, HSE)

1.        Include safety hazards as a part of every chemical operation.

2.        Define, interpret, and apply classifications of flammability, toxicity, health, and reactivity.

3.        Wear or use personal protection equipment (e.g., gloves, hoods, goggles).

4.        Locate and operate emergency equipment (e.g., shower, eyewash, fire alarm, fire extinguisher, fire blanket).  

5.        Be able to take appropriate measures should an accident or injury occur.

6.   Dispose of waste in a safe and environmentally correct manner.

 

Laboratories:

 

                        Safety and Equipment

                        Magnesium Oxide

 

Assignments:

                        Summer Work Assignments

                        Class Notes

                        Laboratory: Safety and Safety Quiz

                        Laboratory: Magnesium Oxide