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Chapter 3: Q. 3.84 (page 93)
What is in degrees Celsius and in kelvins?
The value ofin Celsius is and in Kelvin is
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Indicate whether each of the following describes at gas, a liquid, or a solid:
a. The breathing mixture in a scuba tank has no definite volume or shape.
b. The neon atoms in a Fighting display do not interact with each other.
c. The particles in an ice cube are held in a rigid structure.
Classify each of the following as an element, a compound, or a mixture;
a. carbon in pencils
h. carbon monoxide (CO) in automobile exhaust
c. orange juice
Describe each of the following as a physical or chemical property
a. Neon is a colorless gas at room temperature.
b. Apple slices tum brown when they are exposed to air.
c. Phosphorus will ignite when exposed to air.
d. At room temperature, mercury is a liquid.
e. Propane gas is compressed to a liquid for placement in a small cylinder.
When a sample of olive oil is burned in a calorimeter, the heat released increases the temperature of of water from to . What is the energy value for the olive oil in sample?
3.3. Classify each of the following as a pure substance or a mixture:
a. baking soda
b. a blueberry muffin
c. ice
d. zinc ()
e. trimix (oxygen, nitrogen, and helium) in a scuba tank
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