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Musya8 [376]
3 years ago
8

What should you do if you need to determine the odor of a chemical or a solution?

Chemistry
1 answer:
Cerrena [4.2K]3 years ago
3 0

Answer:

Explanation:

When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.

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Which option explains how purple pigments make some flower petals purple?
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Many of the actual chemicals in flower petals that give them their different colors are called anthocyanins. These are water-soluble compounds that belong to a bigger class of chemicals known as flavonoids. Anthocyanins are responsible for creating the colors blue, red, pink, and purple in flowers.

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As the volume of a gas at constant temperature did decreased,the pressure increases because
frosja888 [35]

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boyles law

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volume is inversely proportional to pressure

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miss girl help- You may not have ever heard of the Inupiat, Inuvialuit, or the Gwich'in peoples, but where can you infer that th
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Quantum mechanics or physics

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7 0
3 years ago
Read 2 more answers
How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca(OH)2?
True [87]
The reaction of Ca(oH)2 with HCl produces calcium chloride (CaCl2) and water (H2O). The stiochiometric equation is 2HCl + Ca(OH)2 = CaCl2 + 2H2O. In this case, 2 moles of HCl stoichiometrically reacts with one mole of calcium hydroxide. Hence for 3.5 moles of Ca(OH)2, there should be 1.75 moles of HCl needed. Given 0.85 M HCl, to get the volume, we divide 1.75 moles by 0.85 M. The volume needed is 2.0588 liters.
5 0
3 years ago
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