Chemistry, 27.01.2021 20:00 nathaliapachon1254
In a science lab, burning steel wool creates only iron oxide. What must be true?
A
The reaction of burning steel wool can sometimes create carbon monoxide.
B
The reaction of burning steel wool will sometimes create iron oxide and water.
C
The reaction of burning steel wool is not endothermic or exothermic.
D
The reaction of burning steel wool always creates iron oxide.
Answers: 2
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It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.
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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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In a science lab, burning steel wool creates only iron oxide. What must be true?
A
The reacti...
The reacti...
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