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Coal consists of nearly pure
Coal consists of nearly pure carbon, an element. When coal burns in air, it combines with the element oxygen from the air. Which
1 answer
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Which statement accurately describes the contents of the two boxes in the image?
(1 point) Responses The box on the top consists
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Optional
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Suppose that coal of density 1.5g/cm3 is pure carbon. The combustion of carbon is described by the equation
C+O2---> CO2 ∆H◦
3 answers
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Susan
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How are coal and oil similar?
Both coal and oil are renewable resources. Both coal and oil must be mined from underground. Both
1 answer
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Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
1 answer
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I might know the answers! <3
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Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point) Responses
1 answer
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Hi
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Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
1 answer
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I hate math
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Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
5 answers
160 views
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
1 answer
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7 of 107 of 10 Items Question Which of the fo
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which statement accurately describes the contents of the two boxes in the image? (nitrogen is on the top, carbon dioxide on the
2 answers
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no name
683 views