Chemistry, 07.04.2021 22:50 carapiasebas
nts move water by pumping the liquid into and out of cells. Because the water pressure in plant cells can be so much greater than in animal cells, plant cells need chloroplasts cell wall a nucleus mitochondria
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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, 23.06.2019 04:00
Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese
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Chemistry, 23.06.2019 06:00
Complete the sentences to best explain the ranking.match the words below to the appropriate blanks in the sentences.a less polar bondhigher molar massion-dipole forcesstronger intermolecular forcesdipole-dipole forcesdispersion forceshydrogen bonding1. h2s and h2se exhibit the following intermolecular forces:.2. therefore, when comparing h2s and h2se the one with a has a higher boiling point .3. the strongest intermolecular force exhibited by h2o is . therefore, when comparing h2se and h2o the one with has a higher boiling point.
Answers: 1
Chemistry, 23.06.2019 10:30
Ethyl alcohol, also known as ethanol, has a density of 0.79 g/ml. what is the volume, in quarts, of 1.95 kg of this alcohol?
Answers: 2
nts move water by pumping the liquid into and out of cells. Because the water pressure in plant cell...
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