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Chapter 3: Q.3.15 (page 70)
Your friend who is visiting from Canada just took her temperature. When she reads 99.8F, she becomes concerned that she is quite ill. How would you explain this temperature to your friend?
The temperature in Celcius is and slightly higher than normal
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Identify each of the following as an element, a compound, or a mixture. Explain your choice. (3.1)
State the temperature on the Celsius thermometer and convert to Fahrenheit.
Oa a hot sunny day, you get out of the swimming pool and sit in a metal chair, which is very hot. Would you predict that the specific heat of the metal is higher or lower than that of water? Explain.
Classify each of the following mixtures as homogeneous or heterogeneous:
al. Water and sand
b. mustard
c. blue ink
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
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