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const2013 [10]
3 years ago
13

Anna studies the color of her bedroom wall using different lights. In sunlight, she sees that the wall is white. Anna darkens th

e room and shines a beam of light that includes all the wavelengths of visible light onto the wall. In this light, what’s the wall color that Anna sees?
no color

all seven colors of visible light

red

white

black
Chemistry
2 answers:
erica [24]3 years ago
6 0

Answer:

white

Explanation:

Marizza181 [45]3 years ago
4 0

Answer: C white

Explanation:

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A student performs an experiment to determine the density of an unknown metal. The student obtains the following data...
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The density of the metal is 7.11 g/mL.

<h3>What is the density of the metal?</h3>

The term density of the metal is defined as the ratio of the mass to the volume of the metal. The volume of the metal was obtained by the displacement method. The volume of water that was displaced is the volume of the metal.

Hence;

Mass of the metal= 56.188g - 1.429g = 54.759 g

Volume of the metal = 33.6mL - 26mL = 7.70 mL

Density of the metal = 54.759 g/ 7.70 mL

= 7.11 g/mL

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2 years ago
Why is sterilising the water rarely used in treating the sewage water?
Marina86 [1]

Answer:

Sterilizing the water rarely used in treating the sewage water is described below in details.

Explanation:

Sterilization is the application of a chemical or physical system to eradicate all microorganisms, concluding comprehensive amounts of bacterial content. Heat treatment is the most relevant approach for the sterilization of waste-water that accommodates large levels of masses. well now sterilizing the water is un-usually practiced in managing the sewage water.

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3 years ago
In the oxidation of pyruvate to acetyl CoA, one carbon atom is released as CO2. However, the oxidation of the remaining two carb
irakobra [83]

Answer:

Since acetyl-CoA is a 2-carbon compound, it is easier to remove electrons and produce CO2 from 2-carbon compounds than 3 or more carbon compounds.  Although it is possible to oxidize the Acetyl group which has 2 carbons of acetyl CoA into 2 CO2 molecules, this process becomes much more difficult than adding the Acetyl group to a four carbon acid to form a six carbon acid (citrate). The citrate may then be sequentially oxidized to release two CO2 molecules.

Explanation:

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Number of water molecules present in 18g of water
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