HW KEY: Introduction to Pressure
Read p. 303-312. Do p. 312 # 1-4; p327 # 1-3, 9, 15,16,17
p. 312
1) Define Pressure: Force per unit area.
P
Force( weight )
area
2) What units are used to express pressure measurements?
Metric units:
Pascals where 1 Pa =
E
Review - CS
Moles and Stoichiometry
Name
Period
KEY
Date
Material covered on test:
Labs: Percent Composition/Empirical Formula Lab, PbCrO4 Lab
Coverage in Book: Empirical and Molecular Formulas: p 229-233; Mole Conversions: p. 78-85, p221-233
Balancing Eq
Reviewextra questions
Unit 2: Moles and Stoichiometry
Name_KEY_
18) Suppose 6.0 L of hydrogen gas is reacted with excess nitrogen gas at standard temperature and pressure to form ammonia
by the following unbalanced chemical equation: N2 (g) + 3 H2 (g) 2 N
Reviewextra questions
Unit 2: Moles and Stoichiometry
Name_
18) Suppose 6.0 L of hydrogen gas is reacted with excess nitrogen gas at standard temperature and pressure to form
ammonia by the following unbalanced chemical equation: N2 (g) +
H2 (g) NH3 (g)
a
Review - CS
Moles and Stoichiometry
Name
Period
Date
Material covered on test:
Labs: Percent Composition/Empirical Formula Lab, PbCrO4 Lab
Coverage in Book:
Empirical and Molecular Formulas: p 229-233; Mole Conversions: p. 78-85, p221-233
Balancing Equati
Review for Quest
Basics and History of Atoms
Name_
Period_ Date_
Topics:
- protons, neutrons, electrons, atomic number, mass number, symbols
- Calculations of average atomic mass of an element given % abundance data.
- Evidence for structure of atom- Demo
REVIEW- CS
Name_
Equilibrium
Period_
Topics:
Concept of equilibrium: the rate of the forward reaction = the rate of the reverse reaction
Concentrations of reactants and products are constant (but not necessarily equal)
Saturated solutions are at equilib
REVIEW- CS
Electron Configurations, Periodic Table (no trends)
Name_KEY_
Period_ Date_
- Relationships between energy, frequency & wavelength.
- Calculations using c =
and E h . (These formulas and the needed constants are given on reference chart!)
-Bohr
REVIEW- CS
Electron Configurations, Periodic Table (no trends)
Name_
Period_ Date_
Topics:
- Relationships between energy, frequency & wavelength.
- Calculations using c = and Eh. (These formulas and the needed constants are given on reference chart!)
-Bo
Review- Midterm Exam- CS
Name_
Unit 1: Matter and Measurement
1) How many significant digits are in each of these numbers?
a) 100.5
b) 1050
c) 0.0050
d) 1589000
2) Make these calculations and write your answers with the correct number of significant digit
Review- Midterm Exam- CS
Name_
Unit 1: Matter and Measurement
1) How many significant digits are in each of these numbers?
a) 100.5_
b) 1050 _
c) 0.0050 _
d) 1589000 _
2) Make these calculations and write your answers with the correct number of significan
Review-CS
Name_KEY_
Gases
Period _ Date_
Topics:
Labs: P vs. Vol, Mg + HCl
Concept of pressure, gas pressure (due to collisions of molecules), and strength of atmospheric pressure
Calculating pressure given force and area (P = F/A)
Measuring pressure-