Chemistry, 26.04.2021 01:00 kobiemajak
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At STP, 0.278 L of a gas weighs 0.399 g. Calculate the molar mass of the gas.
m = g/mol
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The boiling point of liquids is very high what does it indicate
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How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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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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At STP, 0.278 L of a gas weighs 0.399 g. Calculate the mola...
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