Chapter 3: Q. 3.9 (page 93)
Associate the contents of the beakers ( to ) with segments (to ) on the following heating curve for water: ()
Short Answer
The following contents of beakers are associated with the segments using heat curve of water.
Chapter 3: Q. 3.9 (page 93)
Associate the contents of the beakers ( to ) with segments (to ) on the following heating curve for water: ()
The following contents of beakers are associated with the segments using heat curve of water.
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Get started for freeIn a large building, oil is used in a steam boiler heating system. The combustion of of oil provides .
How many kilograms of oil are needed to heat of water from to ?
How many kilograms of oil are needed to change of water to steam at ?
Using the energy values for foods (see Table ), determine each of the following (round off the answer for each food type to the tens place):
the total kilojoules in two tablespoons of crunchy peanut butter that contains of carbohydrate, localid="1653992607206" of fat, and of protein
the grams of protein in one cup of soup that has with of carbohydrate and of fat
the kilocalories in one can of cola if it has of carbohydrates and no fat or protein
the total kilocalories for a diet that consists of of carbohydrate, of fat, and of protein
What type of change, physical or chemical, takes place in each of the following?
a. Pie dough is rolled into thin pieces for a crust.
b. A silver pin tarnishes in the air.
c. A tree is cut into boards at a saw mill.
d. Food is digested.
e. A chocolate bar melts.
Answer the following for the water samples and shown in the diagram
In which sample (or ) does the water have its own shape?
Which diagram ( or or ) represents the arrangement of particles in water sample ?
Which diagram ( or or ) represents the arrangement of particles in water sample ?
Answer the following for diagrams :
The state of matter indicated in diagramis a_____ ; in diagram , it is a ____; and in diagram , it is a____.
The motion of the particles is slowest in diagram_____.
The arrangement of particles is farthest apart in diagram_______.
The particles fill the volume of the container in diagram_______.
If the water in diagram has a mass of and a temperature of , how much heat, in kilojoules, is removed to cool the liquid to?
A patient arrives in the emergency room with a burn caused by steam, Calculate the heat, in kilocalories, that is released when of steam at hits the skin, condenses, and cools to body temperature of .
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