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ss7ja [257]
2 years ago
7

You

Chemistry
1 answer:
Igoryamba2 years ago
8 0

Answer:

The arm that was not sprayed with anything

Explanation:

The control group would be <u>the arm that was not sprayed with anything</u>.

<em>The control group during an experiment is a group that forms the baseline for comparison in other to determine the effects of a treatment. The control group does not include the variable that is being tested and as such, it provides the benchmark to measure the effects of the tested variable on the other group - the experimental group. In this case, the experimental group would be the arm that was sprayed with the repellent.</em>

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The diagram below shows the temperature dropping from 80°C to 20°C.
Neko [114]

Answer:

Kinetic energy decreases as temperature decreases.

Explanation:

From the description that the system at 80°C has longer arrows, or move faster than the system at 20°C, having shorter actors indicating a slower motion, we can conclude that the kinetic energy of a body depends on its temperature.

If the system at 80°C shows a greater kinetic energy (faster motion of particles) than the system at 20°C, it then implies that decreasing the temperature of the body decreases its kinetic energy.

8 0
3 years ago
Read 2 more answers
Draw the major organic product in the reaction scheme. Be sure to clearly show stereochemistry (if applicable). The starting mat
never [62]

Answer:

See answer below

Explanation:

The picture below will show you the final product and mechanism.

In the first step, the NaNH₂ is a strong base, so, this base will substract the hydrogen from carbon 2, to generate a negative charge there, and then, carbon 2 becomes a nucleophyle.

As a nucleophyle it will attack to the CH₃I in the next step, and it will attach to the CH₃.

The second step is just a regular step to reduce the triple bond of the alkyne to alkane or alkene, this will depend on the quantity of the reactant. In this case, an alkene.

Hope this helps,,,,,,k

5 0
3 years ago
400 cm^3 =<br> L (Given: 1 cm^3 = 1 mL)
olga55 [171]

Answer:

1 cm^3 = 1 mL

Then

400 cm^3 = 400mL

Now convert mL to L

400/1000

0.4liter

7 0
3 years ago
What type of compound is calcium oxide
mrs_skeptik [129]
CaO ( calcium oxide) is a basic oxide.


6 0
3 years ago
Surface currents are mainly caused by prevailing winds. What is the best synonym for "prevailing?"
77julia77 [94]

Answer:

gentle

Explanation:

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