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The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?
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An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Draw the possible elimination products formed when the alkyl halide is treated with k −oc(ch3)3....
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