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Achemical element is a pure substance that consists of only one type of what?
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Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m
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Achemical element is a pure substance that consists of only one type of what?...
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