Chapter 3: Q.3.59 (page 91)
Identify each of the following as an element, a compound, or a mixture. Explain your choice. (3.1)

Short Answer
a. is compound
b. is mixture
c. is an element
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Chapter 3: Q.3.59 (page 91)
Identify each of the following as an element, a compound, or a mixture. Explain your choice. (3.1)

a. is compound
b. is mixture
c. is an element
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Compost can be made at home from grass clippings, kitchen scraps, and dry leaves. As microbes break down organic matter, heat is generated and the compost can reach a temperature of , which kills most pathogens. What is this temperature in degrees Celsius? In kelvins? (3.3)

Compost produced from decayed plant material is used to enrich the soil.
What is in degrees Celsius and in kelvins?
A person useson a long walk. Calculate the energy used for the walk in each of the following energy units:
joules
kilojoules
a. Water is healed to . What is the temperature of the hot water in degrees Celsius?
b. During extreme Hypothermia, a child's temperature dropped to . What was his temperature in degrees Fahrenheit?
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?
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