Chemistry, 25.03.2021 18:50 wkalpakchi
overtime, A species of mammals living in cold environments may involve long fur. describe how natural selection create this adaptation
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Chemistry, 21.06.2019 23:00
Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as
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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.)
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Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
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Chemistry, 23.06.2019 14:30
If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?
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overtime, A species of mammals living in cold environments may involve long fur. describe how natura...
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