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Alecsey [184]
3 years ago
6

A phosphorus atom with 4 bonds has a charge of ___.

Chemistry
1 answer:
bagirrra123 [75]3 years ago
6 0

Answer:

4

Explanation:

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Which of the following is a nonrenewable energy source? O A. Solar B. Hydroelectric C. Natural gas D. Biomass
Alex

Answer:

C. natural gas

Explanation:

Solar comes from the sun, which if it became nonrenewable, we would be dead. hydroelectric comes from water and Dams, which water is reproduced through rain. Biomass are things like leaves, which are seasonally reproduced.

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3 years ago
The chief advantage of the metric system over other systems of measurement is that it ____.
OlgaM077 [116]

The chief advantage of the metric system over other systems of measurement is that it B. is in multiples of 10.

This can be seen in the picture below that shows the prefixes of the metric system.


7 0
3 years ago
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The temperature and number of moles of a gas are held constant. Which of the following is true for the pressure of the gas?
Taya2010 [7]

Answer:

Pressure is inversely proportional to the volume of gas.

Explanation:

According to Boyle's law,

The volume of given amount of gas is inversely proportional to the pressure applied on gas at constant volume and number of moles of gas.

Mathematical expression:

P ∝ 1/ V

P = K/V

PV = K

when volume is changed from V1 to V2 and pressure from P1 to P2 then expression will be.

P1V1 = K         P2V2 = K

P1V1 = P2V2

3 0
4 years ago
Why couple use a method of birth control
Paraphin [41]

Answer:

because it will control the birth of a child which can happen alot being overpopulated in the country or world. It also can mange their life and create a small and happy and healthy family.Also the child can get more love and support from their parents if they have less children and it wont be a taruma for the couple as well.  because growing a child can be expensive time costly and really hard.  

plz mark me as a brainlest a and thanks my answer

Explanation:

and btw i think the subject should be biology not chemestry

8 0
3 years ago
PLEASE HELP ASAP<br> Label the correct descriptors (volume, temperature, pressure, moles) *
Zanzabum

Explanation:

1. volume

2. pressure

3. moles

4. temperature

5. temperature

6. moles

7. pressure

8. volume

9. pressure

10. volume

5 0
2 years ago
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