Chemistry, 16.11.2020 22:30 MarsBars8798
Which of the following is evidence of a chemical change? * A absorb or release heat B change in state of matter C both absorb/release heat and change in state of matter
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Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?
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Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
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Which of the following is evidence of a chemical change? * A absorb or release heat B change in stat...
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