CI.6 A hot tub is filled with 450 gal of water. (2.5, 2.6, 2.7, 3.3, 3.4, 3.5) A hot tub filled with water is heated to 105 °F. a. What is the volume of water, in liters, in the tub? b. What is the mass, in kilograms, of water in the tub? c. How many kilocalories are needed to heat the water from 62 °F to 105 °F? d. If the hot-tub heater provides 5900 kJ/min, how long, in minutes, will it take to heat the water in the hot tub from 62 °F to 105 °F? 10 169

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CI.6 A hot tub is filled with 450 gal of water. (2.5, 2.6, 2.7, 3.3,
3.4, 3.5)
A hot tub filled with water is heated
to 105 °F.
a. What is the volume of water, in liters, in the tub?
b. What is the mass, in kilograms, of water in the tub?
c. How many kilocalories are needed to heat the water from
62 °F to 105 °F?
d. If the hot-tub heater provides 5900 kJ/min, how long, in
minutes, will it take to heat the water in the hot tub from
62 °F to 105 °F?
Transcribed Image Text:CI.6 A hot tub is filled with 450 gal of water. (2.5, 2.6, 2.7, 3.3, 3.4, 3.5) A hot tub filled with water is heated to 105 °F. a. What is the volume of water, in liters, in the tub? b. What is the mass, in kilograms, of water in the tub? c. How many kilocalories are needed to heat the water from 62 °F to 105 °F? d. If the hot-tub heater provides 5900 kJ/min, how long, in minutes, will it take to heat the water in the hot tub from 62 °F to 105 °F?
COMBINING IDEAS 16 CHAPTERS 1 to 3
CLI Gold, one of the most sought-afiri mctals in the world, has a
density of 19.3 g/cm, a melting point of 1064 and a spe
cific heat of 0.129 3/g °C A gold nugget found in Afiska in
1998 weighs 20.17th (24, 26, 27, 33,35)
Gold nuggets, biso called native
gold, can be found in streams and
mines
a. How many significant figures are in the measurement of the
weight of the nugget?
b. Which is the mass of the nugget in kilograms?
c. If the nugget were pure gold, what would its volume be in
cubic centimeters?
d. What is the melting point of gold in degrees Fahrenheit and
kelvins?
e. How many kilocalories are required to raise the temperature
of the nugget from 500, "C to 1064 "C?
t. If the price of gold is $45.98 per gram, what is the nugget
worth in dollars?
CL2 The mileage for a motorcycle
with a fuel-tank capacity of
22 L is 35 mi/gal. (2.5, 2.6,
2.7,3.4)
a. How long a trip, in kilo-
meters, can be made on
one full tank of gasoline?
b. If the price of gasoline
is $3.82 per gallon, what
would be the cost of fuel
for the trip?
c. If the average speed dur-
ing the trip is 44 mi/h,
how many hours will it
take to reach the destination?
When 1.00 g of gasoline
burns, 47 kJ of energy are
released
d. If the density of gasoline is 0.74 g/ml., what is the mass, in
grams, of the fuel in the tank?
e. When 1.00 g of gasoline burns, 47 kJ of energy is released.
How many kilojoules are produced when the fuel in one full
tank is burned?
CL3 Answer the following questions for the water samples A and B
shown in the diagrams: (3.1, 3.2, 3.5)
B
a. In which sample (A or B) does the water have its own
shape?
b. Which diagram (1 or 2 or 3) represents the arrangement of
particles in water sample A?
c. Which diagram (1 or 2 or 3) represents the arrangement of
particles in water sample B?
3
in
Answer the following for diagrams 1, 2, and 3: (3.2, 3.3)
d. The state of matter indicated in diagram 1 is a
diagram 2, it is a and in diagram 3, it is a.
e. The motion of the particles is slowest in diagram.
f. The arrangement of particles is
farthest apart in diagram
g. The particles fill the volume of
the container in diagram
h. If the water in diagram 2 has a
mass of 19 g and a temperature
of 45 °C, how much heat, in
kilojoules, is removed to cool the
liquid to 0°C?
CL4 The label of a black cherry almond.
energy bar with a mass of 68 g lists
the nutrition facts as 39 g of carbo-
hydrate, 5 g of fat, and 10. g of pro-
tein. (2.5, 2.6, 3.4, 3.6)
a. Using the energy values for car-
bohydrates, fats, and proteins (see
Table 3.8), what are the total
kilocalories listed for a black
ECLIF
An energy bar
contains
carbohydrate, fat,
and protein.
cherry almond bar? (Round off answers for each food type
to the tens place.)
b. What are the kilojoules for the black cherry almond bar?
(Round off answers for each food type to the tens place.)
c. If you obtain 160 kJ, how many grams of the black cherry
almond bar did you eat?
d. If you are walking and using energy at a rate of 840 kJ/h.
how many minutes will you need to walk to expend the
energy from two black cherry almond bars?
Transcribed Image Text:COMBINING IDEAS 16 CHAPTERS 1 to 3 CLI Gold, one of the most sought-afiri mctals in the world, has a density of 19.3 g/cm, a melting point of 1064 and a spe cific heat of 0.129 3/g °C A gold nugget found in Afiska in 1998 weighs 20.17th (24, 26, 27, 33,35) Gold nuggets, biso called native gold, can be found in streams and mines a. How many significant figures are in the measurement of the weight of the nugget? b. Which is the mass of the nugget in kilograms? c. If the nugget were pure gold, what would its volume be in cubic centimeters? d. What is the melting point of gold in degrees Fahrenheit and kelvins? e. How many kilocalories are required to raise the temperature of the nugget from 500, "C to 1064 "C? t. If the price of gold is $45.98 per gram, what is the nugget worth in dollars? CL2 The mileage for a motorcycle with a fuel-tank capacity of 22 L is 35 mi/gal. (2.5, 2.6, 2.7,3.4) a. How long a trip, in kilo- meters, can be made on one full tank of gasoline? b. If the price of gasoline is $3.82 per gallon, what would be the cost of fuel for the trip? c. If the average speed dur- ing the trip is 44 mi/h, how many hours will it take to reach the destination? When 1.00 g of gasoline burns, 47 kJ of energy are released d. If the density of gasoline is 0.74 g/ml., what is the mass, in grams, of the fuel in the tank? e. When 1.00 g of gasoline burns, 47 kJ of energy is released. How many kilojoules are produced when the fuel in one full tank is burned? CL3 Answer the following questions for the water samples A and B shown in the diagrams: (3.1, 3.2, 3.5) B a. In which sample (A or B) does the water have its own shape? b. Which diagram (1 or 2 or 3) represents the arrangement of particles in water sample A? c. Which diagram (1 or 2 or 3) represents the arrangement of particles in water sample B? 3 in Answer the following for diagrams 1, 2, and 3: (3.2, 3.3) d. The state of matter indicated in diagram 1 is a diagram 2, it is a and in diagram 3, it is a. e. The motion of the particles is slowest in diagram. f. The arrangement of particles is farthest apart in diagram g. The particles fill the volume of the container in diagram h. If the water in diagram 2 has a mass of 19 g and a temperature of 45 °C, how much heat, in kilojoules, is removed to cool the liquid to 0°C? CL4 The label of a black cherry almond. energy bar with a mass of 68 g lists the nutrition facts as 39 g of carbo- hydrate, 5 g of fat, and 10. g of pro- tein. (2.5, 2.6, 3.4, 3.6) a. Using the energy values for car- bohydrates, fats, and proteins (see Table 3.8), what are the total kilocalories listed for a black ECLIF An energy bar contains carbohydrate, fat, and protein. cherry almond bar? (Round off answers for each food type to the tens place.) b. What are the kilojoules for the black cherry almond bar? (Round off answers for each food type to the tens place.) c. If you obtain 160 kJ, how many grams of the black cherry almond bar did you eat? d. If you are walking and using energy at a rate of 840 kJ/h. how many minutes will you need to walk to expend the energy from two black cherry almond bars?
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