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Can smoke be transformed into liquid or used as energy or both?
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In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius
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Chemistry, 24.06.2019 00:00
Suppose that you stir a green powder into a clear liquid. the liquid turns green. you leave the room and come back later to observe that the top of the liquid is clear again. a green substance has settled on the bottom of the container. was the green liquid that you made a compound or a mixture? explain your reasoning.
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Chemistry, 24.06.2019 03:30
The ph of a solution is measured eight times by one operator using the same instrument. she obtains the following data: 7.15, 7.20, 7.18, 7.19, 7.21, 7.20, 7.16, and 7.20. (a) calculate the sample mean. round your answer to 3 decimal places.
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A length of fishing line measures 5470 cm. How many kilometers is that length? Question options: 5.4...
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