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Yuliya22 [10]
3 years ago
9

Condensation is when the molecules are...

Chemistry
1 answer:
Annette [7]3 years ago
5 0

Answer:

1. and 3 is the answer i think

Explanation:

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Can someone please help me correct A and B please!!!!!!!!
ale4655 [162]
A) a good hypothesis to be put in question for the experiment would be “Fluorescent light can fade color photographs quicker than direct sunlight can.”

B) the controlled variables, or things that will need to be kept constant throughout the experiment, would be the amount of light on each picture, the amount of ink on each picture, the type of ink on each picture, the size of each picture, and the time of day of the light for each picture.
6 0
3 years ago
In a mixture of carbon dioxide in water ( a soft drink ) the Carbon Dioxide is the solute
Nataly [62]

Answer:

true :)

Explanation:

hope this helps :)

4 0
4 years ago
(a) Write a briefexperimental procedure for the chromic acid test.Include all observations such ascolor change, precipitation, e
mel-nik [20]

Answer:

See explanation

Explanation:

a) -About 1-2 drops of the unknown is dissolved in approximately 1 mL of analytical grade acetone standard solution. The test solution is added and shaken thoroughly.  If a positive test is not immediately observed, the set should be allowed to stand for 1-2 minutes. A positive result means the appearance of a green color.

b) The functional groups that can be distinguished by the test are alcohols and aldehydes.

Aldehydes give a positive test to chromic acid but ketones do not.

Primary and secondary alcohols give a positive test to chromic acid but tertiary alcohols do not.

c) Chromic Acid Test involves Cr in the +6 oxidation state. A positive test implies the reduction of orange Cr^6+ to green chromium Cr^3+.

d) The compounds were not shown but this image attached from lumen learning summarizes the reaction mechanism of chromic acid test.

3 0
3 years ago
What is the mass in grams of 366mL of ethylene glycol
pshichka [43]

Answer:

m=406.26g

Explanation:

Hello,

In this case, since the density is defined as the degree of compactness of a substance and it mathematically defined as the ratio of the mass and volume:

\rho = \frac{m}{V}

By knowing that its density is 1.11 g/mL, the mass in 366 mL is:

m=\rho V=366mL*1.11\frac{g}{mL}\\ \\m=406.26g

Regards.

6 0
4 years ago
Where does the most geologic activity ( including volcanos and earthquakes ) occur
Gekata [30.6K]
I believe it occurs along the plates edge.
3 0
4 years ago
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