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dimaraw [331]
3 years ago
7

Helppp please I will give a brain thing plleaseee

Chemistry
1 answer:
frez [133]3 years ago
5 0
Answer:

A. Crest
- The top of a wavelength is called a crest.
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Calculate the pressure exerted by an book of mass 20kg occupying an area of 2 m square.​
kotykmax [81]

The answer is 100 Pa.

The formula for calculating pressure is :

<u>Pressure = Force ÷ Area</u>

<u />

We are given that :

  • mass = 20 kg
  • area = 2 m²

We also know that :

<u>Force = mass ×g</u>

<u />

So, force will be :

  • F = 20 × 10
  • F = 200 N

Now, we can finally calculate pressure :

  • P = 200 ÷ 2
  • P = 100 Pa
8 0
1 year ago
Does a large ball of aluminum foil have the same properties as a small ball?
dsp73

Answer:

yes

Explanation:

same properties different size

can i have brainliest pls

5 0
3 years ago
Three metal spoons are on table. They are at room temperature. If the three spoons touch.
Alex
If the spoons touch, no heat will flow among the spoons because they are already in thermal equilibrium with each other. This is hinted by the statement "they are at room temperature" which means they all have the same temperature. Heat only flows when there is a difference in temperature.<span>
The answer will be </span><span>C. No heat will flow among the spoons
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®PLEASE MARK AS BRAINLIEST TO HELP ME LEVEL UP®</span>
5 0
3 years ago
Read 2 more answers
Help help help help help help help help
ohaa [14]

Answer:Switch off lighting in refrigeration areas when not in use?

Explanation:

7 0
2 years ago
Cyclic compound A has molecular formula C5H10 and undergoes monochlorination to yield exactly three different constitutional iso
RideAnS [48]

Answer:

A: 1,2-dimethylcyclopropane

Explanation:

The possible cyclic structure with formula C₅H₁₀ are shown in the image.

A is a cyclic compound. On monochlorination, A yields 3 products.

To have 3 products on monochlorination, there should be three different carbon atoms.

Considering structure 1, all carbons have same nature, thus only one product will be formed and thus not a structure of A.

Considering structure 2, there are two different carbon atoms, thus two different structure are formed and thus not a structure of A.

Considering structures 3 and 4 , there are four different carbon atoms, thus four products will be formed and either of them are not a structure of A.

Considering structure 5, there are three different carbon atoms,  thus three different structure are formed and thus the A is structure 5.

4 0
3 years ago
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