Chapter 3: Q. 3.64 (page 91)
State the temperature on the Celsius thermometer and convert to Fahrenheit.
Therefore,is the temperature.
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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):
(a) the total kilojoules for one cup of orange juice that contains 26 g of carbohydrate, no fat, and of protein
(b) the grams of carbohydrate in one apple if the apple has no fat and no protein and provides of energy
(c) the kilocalories in one tablespoon of vegetable oil, which containsof fat and no carbohydrate or protein
(d )the grams of fat in one avocado that has , of carbohydrate, and of protein
Identify each of the following changes of state as evaporation. boiling, or condensation:
a. The water vapor in the clouds changes to rain.
b. Wet clothes dry on a clothesline.
c. Lava flows into the ocean and steam forms.
d. After a hot shower, your bathroom mirror is covered with water.
Describe each property of the element zirconium as physical or chemical.
a. melts at 1852 degrees
b. is resistant to corrosion
c. has a greyish-white color
d. ignites spontaneously in the air when finely divided
e. is a shiny metal
Indicate whether each of the following describes a gas, a liquid, or a solid:
a. Lemonade has a definite volume but takes the shape of its container.
b. The particles in a tank of oxygen are very far apart.
c. Helium occupies the entire volume of a balloon.
Your friend who is visiting from Canada just took her temperature. When she reads , she becomes concerned that she is quite ill. How would you explain this temperature to your friend'?
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