Using the curve which letter represents efficiency?
Your
A
E
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Chemistry, 22.06.2019 17:20
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
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Chemistry, 22.06.2019 23:00
What element has similar physical and chemical properties as boron.
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Chemistry, 23.06.2019 00:30
What is bromine+calcium iodide--> calcium bromide +iodine balanced
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