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# Chapter 1 and 2 for final

## Terms

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5.21 cm is the same distance as
0.0521 m
The amount of space occupied by a substance is its
Volume
Which is a measurement of mass in the metric system?
Kilogram
A value of 345 mm is a measure of
Distance
The measument of the gravitational pull on object is its
Weight
The number of significan figures in the measurement of 45.030 mm is
Five
A calculatore answer of 42306059 must be rounded off to three significant figures. What answer is reported?
424
What is the correct answer for the calculation of a volume (in mL) with measure numbers 28.58 / 16 X 8.02?
0.22 mL
What is the answer, with the correct number of significant figures for 4.392 g + 102.40 g + 2.51 g?
109.30 g
Milliliter
mL
What is the conversion factor for the relationship between millimeters and centimeters?
10 mm / 1 cm
9.31 g is the same mass as
9310 mg
How many liters of soft drink are there in 5.25 qt?
4.95 L
How many kilograms are in 30.4 lb?
13.8 kg
A dose of aspiring of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. The number of milligrams of aspirin that should be administered is
19 mg
What is the density of a substance with a mass of 45.00 g and volume of 26.4 mL?
1.70 g/mL
Diamond has a density of 3.52 g/mL. What is the volume in cubic centimeters of diamond with mass of 15.1 g?
4.29 cm3
A 50.0 mL urine sample has a mass of 50.7 g. The specific gravity of the urine is
1.01
A pt has a temperature of 38.5*C. What is the temperatrue in degrees fahrenheit?
101.3*F
On a hot day, the thermometer read 95*F. What is the temperature in degrees Celsius?
35*C
Measurement or exact - In the U.S. system there are 5280 feet in one mile
Exact
Measurement or exact - There are 452 pages in a book.
Exact
Measurement or exact - There are 100 capsules in the bottle
Exact
Gram
mass
Kilometer
Distance
1 m =
1000 mm
1 dL =
100 mL
1 mL =
1 cc
An example of kinetic energy is
Runing water
The energy associated with the motion of particles in a substance is called
heat
The phrase "ability to do work" is a definition of
Energy
The energy stored in chemical bonds is
potential energy
The energy of motion is referred to as
Kinetic energy
650. J is the same amount of energy as
155 cal
A potato contains 20 g of carbohydrate. If carbohydrate has a caloric value of 4 kcal/g, how many kcal are obtained from the carbohydrate in the potato?
80 kcal
One cup of kidney beans contains 15 g of protein, 1 g of fat, and 42 g of carbohydrate. How many kilocalories , to two significant figures, does this sample contain?
240 kcal
A serving of fish contains 50 g protein and 4 g of fat. If protein has a caloric value of 4 kcal/g and fat has 9 kcal/g, how many kcal are in the serving? 2 singnificant figures.
240 kcal
The dietary calorie (Cal) is equal to
1000 calories
A temperature of 41*F is the same as
5*C
A pt has a temperature of 3805*C. What is the temperature in *F?
101.3*F
The temperature of liquid nitrogen is -196*C. What is the corresponding reading on the Kelving scale?
77 K
Absolute zero is
The coldest temperature possible.
The specific heat of a substance is the amount of heat needed to
raise the temperature of 1 g of the substance by 1*C
How many calories are required to raise the temperature of a 35.0 g sample of iron from 25*C to 35*C? Iron has a specific heat of 0.106 cal/g *C.
37 Cal
The specific heat of copper is 0.093 cal/g *C, and the specific heat of silver is 0.057 cal/g*C. If 100 cal of heat is added to one g of each metal at 25*C, what is the expected result?
The silver will reach a higher temperature.
The number of calories needed to raise the temperaure of 32g of water from 12*C to 54*C is
1300 cal
In a gas, the distance between the particles is
very large relative to the size of the molecules
Randomly arranged particles is a physical proprety of
both liquids and gases.
Particles are close together and move randomly describes a
liquid
The physical state present when a substance is melting is
solid + liquid
If the heat of fusion for water is 80 cal/g, how many calories are needed to melt 45.0 g of ice at 0*C?
3.6 X 10*3 cal
The formation of a gas resulting from the escape of high energy particles from the surface of a liquid is known
evaporation
When a solid is converted directly to a gas, the change of state is called
sublimation
The heat of fusion for water is 80. cal/g. How many calories of heat are released when 20.0g of water at 0*C is frozen to ice.
1600 cal
A heating curve illustrated
The changes in the temperature and physical state of a substance as it is heated.
The change of state from solid to gas is termed
Sublimation
The amount of heat necessary for one gram of a substance to change form the solid state to the liquid is the
heat of fusion.
As heat is remove from a solid, its temperature
Decreases
When a liquid is boiling, its temperature
does not change.
Carbohydrates and proteins have the same
caloric value per gram.
Basic unit of volume in the metric system?
Liter
Measuremnt of mass in the metric system?
Kilogram
A value of 36 mL is a measure of
Volume
25 mile /gallon is a measured
number
The smalles unit?
Microgram
According to the US food and drug adminitration, the recommended daily requirement of protein is 44g. This is____of protein
1.6 oz
A conversion factor set up correctly to convert 15 inches to centimeter is
2.54 cm/1 inch.
The cubic centimeter (cm3 or cc) has the same volume as a
milliliter

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