Chemistry, 25.11.2019 02:31 jkgtmhuip3503
The wavelength of red light is given as 6.5 × 10-7 m. if another wave of an unknown type has a frequency of 5.3 × 1015 hz. what is the relation between the wavelength of the unknown wave and red light? (note: c = 2.998 × 108 m/s)
Answers: 1
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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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Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
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The wavelength of red light is given as 6.5 × 10-7 m. if another wave of an unknown type has a frequ...
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