Chemistry, 10.03.2021 22:00 annarain2004
The change of an atom from an excited state to the ground state always requires
a. release of visible light.
b. absorp...
Answers: 2
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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Chemistry, 23.06.2019 01:30
The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated
Answers: 1
Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
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Chemistry, 23.06.2019 03:30
Name 3 types of energy you see being used as you look around a classroom
Answers: 1
The change of an atom from an excited state to the ground state always requires
a. release of visib...
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