Chemistry, 03.11.2020 20:50 jenna34032
A geranium leaf that has been partially covered with black paper for three days. When the black paper is removed, the area that was covered by the paper has turned white. The white section of the leaf tests negative for the presence of sugar and the green section tests positive for the presence of sugar. Explain why the white and green sections of the leaf have different sugar test results.
Answers: 2
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 09:00
What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
Answers: 2
A geranium leaf that has been partially covered with black paper for three days.
When the black pap...
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