Chemistry, 05.10.2019 18:30 ranchgirljls
At what temperature in the kelvin scale does water boil? explain what happen when we supply heat energy to water till it changes its state. what is this great energy called?
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What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves
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Connect the whole numbers on the periodic table to indicate what they represent?
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Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
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Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
At what temperature in the kelvin scale does water boil? explain what happen when we supply heat en...
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