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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 06:30
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 07:00
The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?
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Chemistry, 22.06.2019 08:30
How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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Sound waves are longitudinal waves and are also called waves....
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