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deff fn [24]
3 years ago
12

In which are do temperatures range from warm or hot summers to cool or cold winters?

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

Answer:

B

Explanation: because it is most likely to be warm in summers and cool in winters in temperate zones

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Digiron [165]

because B has more Surface are.

8 0
3 years ago
Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of pot
sineoko [7]
Number of neutrons  = mass number - atomic number = 40 - 19 = 21 answer
6 0
3 years ago
A sample of oxygen occupies 20.1 liters under a pressure of 1520 torr at 25.0o What volume would it occupy at 25.0oC if the pres
Zolol [24]

Answer:

The volume that the sample of oxygen would occupy at 25 ° C if the pressure were reduced to 760.0 torr is 40.2 L

Explanation:

Boyle's law establishes the relationship between the pressure and the volume of a gas when the temperature is constant, so that the pressure of a gas in a closed container is inversely proportional to the volume of the container. That is, if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

or P * V = k

Considering an initial state 1 and a final state 2, it is true:

P1* V1= P2*V2

In this case:

  • P1= 20.1 L
  • V1= 1520 torr
  • P2= 760 torr
  • V2= ?

Replacing:

20.1 L* 1520 torr= 760 torr* V2

Solving:

V2=\frac{20.1 L* 1520 torr}{760 torr}

V2= 40.2 L

<em><u>The volume that the sample of oxygen would occupy at 25 ° C if the pressure were reduced to 760.0 torr is 40.2 L</u></em>

<em><u></u></em>

4 0
3 years ago
All of the following can be an affect of pollution EXCEPT
Gelneren [198K]
Except D.
Pollution doesn't prevent cancer.
Unless the pollution is made of a cancer-curing medicine.
5 0
3 years ago
Read 2 more answers
What greek letter are used in the precise definition of a limit?
Ivan
Epsilon-delta would be the green letter that is used in the precision definition of a limit. (ε, δ).
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3 years ago
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