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Chemistry, 22.06.2019 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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Chemistry, 22.06.2019 13:30, justinerodriguz2878
What are the major types of a chemical compound
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Chemistry, 23.06.2019 00:00, maronetham6253
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
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Chemistry, 23.06.2019 01:30, Thunderalesis7855
Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
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A cup of coffee(140g) cools from 75 degrees Celsius down to comfortable room temperature 20 degrees...
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