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Exambusters Chemistry Study Cards 1
Introduction (Cards 1-30)
67
Chemistry
10th Grade
08/09/2012

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Cards

Term
Scientific Notation
Definition
A number expressed as A x 10^B
A is between 1.00 and 9.99, and B is an integer
Term
Energy
Definition
The ability to do work; it is released or absorbed during chemical reactions in the form of heat, light, electricity. units: calorie, Joule; 1 cal = 4.18 J
Term
Matter
Definition
A substance that occupies space and has mass.
Term
Weight
Definition
Measures gravitational force. Varies slightly on Earth, and significantly elsewhere.
Term
Potential Energy
Definition
Energy due to position or stored energy
Term
Kinetic Energy
Definition
Energy of motion
Term
Mass
Definition
The amount of matter. Never varies
Term
Degree of Uncertainty
Definition
Depends on the skill of the person doing the measuring and the limitations of the measuring instrument. The last significant figure in a measurement is always uncertain.
Term
Absolute zero
give in Kelvin, Celsius
Definition
Lowest possible temperature where all atomic motion ceases.
0 K
-273 degrees C
Term
Express:
100 grams
Definition
1 hectogram
Term
Express:
1/10 liter
Definition
1 deciliter
Term
Express:
1000 meters
Definition
1 kilometer
Term
Express:
0.001 grams
Definition
1 milligram
Term
Metric abbreviation:
decigram
Definition
dg
Term
Metric abbreviation:
kiloliter
Definition
kL
Term
Metric abbreviation:
hectoliter
Definition
hm
Term
Metric abbreviation:
milligram
Definition
mg
Term
Metric system unit for:
mass
Definition
gram
Term
Metric system unit for:
volume
Definition
liter
Term
Metric system unit for:
length
Definition
meter
Term
Metric system unit for:
time
Definition
second
Term
Rules for multiplication of numbers in scientific notation.
Definition
Multiply the first numbers and add the exponents.
(3 X 10^5)(2 X 10^3) = 6 X 10^8
Term
Rules for division of numbers in scientific notation.
Definition
Divide the first numbers and subtract the exponents.
(8 x 10^6)/(2 x 10^10) = 4 x 10^-4
Term
Metric symbol:
gram
Definition
g
Term
Metric symbol:
meter
Definition
m
Term
Metric symbol:
liter
Definition
L
Term
Freezing point of water in Celsius
Definition
0
Term
Freezing point of water in Kelvin
Definition
273
Term
Freezing point of water in Fahrenheit
Definition
32
Term
Boiling point of water in Celsius
Definition
100
Term
Boiling point of water in Kelvin
Definition
373
Term
Boiling point of water in Fahrenheit
Definition
212
Term
Metric prefix for:
0.1
Definition
deci
Term
Metric prefix for:
0.01
Definition
centi
Term
Metric prefix for:
0.001
Definition
milli
Term
Metric prefix for:
0.000000001
Definition
nano
Term
State the volume and mass of water at 4 °C
Definition

This is the point of Maximum density

 

1 g occupies 1 cm3

 

1 L = 1 kg

Term
Metric prefix for: 1,000,000
Definition
mega
Term
Metric prefix for: 1000
Definition
kilo
Term
Metric prefix for: 100
Definition
hecto
Term
Metric prefix for: 10
Definition
deka
Term
Metric system unit for:
temperature
Definition
Kelvin or Celsius
Term
Metric system unit for:
electric current
Definition
ampere
Term
Metric system unit for:
amount of a substance
Definition
mole
Term
Conversion factors:
feet to inches
Definition
1 ft = 12 in
Term
Conversion factors:
kilogram to grams
Definition
1 kg = 1000 gm
Term
Conversion factors:
miles to kilometers
Definition
1 mile = 1.61 Km
Term
Convert degree Celsius to Kelvin
Definition
K = degree C + 273
Term
Convert from scientific notation: 1.23 X 104
Definition
12300
Term
Convert from scientific notation: 6 X 10-3
Definition
0.006
Term
Metric symbol: seconds
Definition
s
Term
Metric symbol: Celsius
Definition
 °C
Term
Metric symbol: Kelvin
Definition
K
Term
Metric symbol: moles
Definition
mol
Term
Metric symbol: amperes
Definition
a
Term
Convert to scientific notation: 695
Definition
6.95 X 102
Term
Convert to scientific notation: 0.04
Definition
4.0 X 10-2
Term
Convert to scientific notation: 3000
Definition
3.0 X 103
Term
Use conversion factors to solve: How many kilograms in 2000 grams?
Definition
(2000 g)(1 kg/1000 g) = 2 kg
Term
Use conversion factors to solve: How many feet in 60 inches
Definition
(60 ") (1'/12") = 5 feet
Term
How many significant digits? 300
Definition
1
Term
How many significant digits? 0.0020
Definition
2
Term
How many significant digits? 4006
Definition
4
Term
How many significant digits? 5.00
Definition
3
Term
Precision
Definition
reliability or reproducibility of a measurement
Term
Accuracy
Definition
how close a measurement comes to the accepted value
Term
Significant digit rules.
Definition
Digits measured
All non-zero digits
Zero unless they are placeholders
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