Chemistry, 27.07.2019 07:30 allendraven89pds755
Is it possible to change a scientific theory? a. yes, scientific theories are constantly being changed in major ways. b. yes, but changes are usually small and are made only if important new evidence is found. c. no, scientific theories are never changed and scientists always believe they are correct. d. no, scientific theories are never changed, but they are frequently replaced by new theories.
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Chemistry, 22.06.2019 02:30
If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
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What forms when chemical reactions combine pollution with sunlight?
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Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 06:00
In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
Answers: 2
Is it possible to change a scientific theory? a. yes, scientific theories are constantly being chan...
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