Which of the following is a pure substance? choose all that apply.
a. fruit cake
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Answers: 2
Chemistry, 22.06.2019 17:20, banna01man
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.
Answers: 2
Chemistry, 22.06.2019 23:00, genyjoannerubiera
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Chemistry, 23.06.2019 16:30, anaclaramigli
Asample of calcium chloride (cacla) contains 100.2 grams of calcium (ca) and 177.3 grams of chlorine (co. what is the percent composition of chlorine 2.510% 36.10% 56.50% 63.89%
Answers: 2
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