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Vaselesa [24]
3 years ago
8

Disccuss what happens to copper in photochromic lenses from a redox perspective.

Chemistry
1 answer:
larisa86 [58]3 years ago
8 0
The simplest ion that copper forms in solution is the typical blue hexaaquacopper(II) ion - [Cu(H2O)6]<span>2+</span>
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Which statement best explains why gneiss is composed of layers but there are no layers in granite?
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Gneiss is a sedimentary rock and granite is a metamorphic rock.

<h3>What are rocks?</h3>

Rocks are geological hard materials that are made up of various types which include:

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  • Metamorphic rocks: These are rocks that are form from pre existing rocks that undergoes some transformation. Example is granite

Therefore, Gneiss is a sedimentary rock and granite is a metamorphic rock.

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brainly.com/question/398139

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Note that melting and vaporization are endothermic processes in that they absorb or require energy, while freezing and condensation are exothermic process as they release energy.

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An increase in the atmospheric concentrations of greenhouse gases produces a positive climate forcing, or warming effect. From 1990 to 2015, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 37 percent.
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How many joules would be absorbed for the water in Problem 1
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