Chem Semester 1 - Day 1

Lab Stuff

100

Which apparatus is used to determine the mass of an object?

balance

200

What should be found in the miscellaneous drawer?

test tube brush

300

What apparatus should be used to measure volume?

a graduated cylinder, NOT a beaker

400

When measuring the volume of water, always read from ___

the bottom of the meniscus.

500

What is the density of pure water?

    1 g/mL

Who am I?

100

I proved a relationship between energy and mass.

    Einstein

200

I discovered radioactivity

   Curie

300

I discovered the positive nucleus

 Rutherford

400

I found the charge on the electron.

Millikan

500

I discovered the proton

    Thomson

Math

100

What is the correct area of the following measurements?         

 .50 m X 4.25 m X 6.000 m

 13m³

200

2.3 km is equal to ____ m

2300 m

300

How many oxygen atoms are in Al₂(SO₄)₃?

  12

400

What is the approximate atomic mass of an isotope of lithium that has 3 electrons, 3 protons, and 5 neutrons?

    8 amus

500

Silver has an atomic mass of 107.9 amu.  If 51.84% of Ag exists as Ag-107 (106.9051 amu), what is the atomic mass of the other isotope? 

   109ish

Vocab

100

What is the study of the relationship between the structure and properties of matter and the use of this knowledge to produce new materials?

 chemistry

200

What is an atom that has an electrical charge is called?

ion

300

What is the unit that is used to represent the chemical quantity of a substance as a number of particles?

 mole

400

What is the ratio of actual amount of product to the amount of product in a calculated chemical reaction is called?

 percent yield

500

What is a crystalline substance that contains water molecules in a definite ratio with each formula unit?

hydrate

Reactions

100

What type of reaction is the following?

2NaCl → 2Na + Cl₂

    decomposition

200

What is the calculated amount of product that should be produced in a chemical reaction?

           

 theoretical yield

300

Which of the following chemical equations represents oxidation-reduction reactions?

1) Zn (s) + CuSO₄ (aq) → ZnSO₄ (aq) + Cu (s)

2) SrO (s) + H₂O (l) → Sr(OH)₂ (aq)

3) AgNO₃ (aq) + NaI (aq) → AgI (s) + NaNO₃(aq)

    1 and 2

400

When should goggles be worn?

           

   Glassware, chemicals, Ms. King says 

500

What is the balanced equation for the complete combustion of benzene?

2 C6H6 (l) + 15 O2 (g) → 12 CO2 (g) + 6 H2O (g)