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kotegsom [21]
3 years ago
14

which is the false statement about c14? a. it is a stable isotope. b. it is a radioactive isotope. c. it is present in all livin

g things. d. it is used to calculate the age of remains
Chemistry
2 answers:
MariettaO [177]3 years ago
6 0

Answer:

The false statement is option A.

Explanation:

A rare isotope of carbon is carbon-14. The carbon-14 is radioactive and decays to produce nitrogen-14 and an electron. As carbon-14 is radioactive, it decays at a similar rate possessing a half-life of about 5700 years. The isotope is found in all the living things and is generally used to find the age of remains. The process of finding the age of the remains is known as radiocarbon dating. However, the carbon-14 is not a stable component, and this is the reason why it undergoes radioactive decay.

Snowcat [4.5K]3 years ago
3 0
The false is A

as C-14 is an unstable isotope that is radioactive and is present in all living things i can be used to carbon date things 

hope that helps 
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timurjin [86]

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3 years ago
the pressure in a sealed plastic container is 108 kPa at 41 degrees Celsius. What is the pressure when the temperature drops to
Katarina [22]

<u>Answer:</u> The new pressure will be 101.46 kPa.

<u>Explanation:</u>

To calculate the new pressure, we use the equation given by Gay-Lussac Law. This law states that pressure is directly proportional to the temperature of the gas at constant volume.

The equation given by this law is:

\frac{P_1}{T_1}=\frac{P_2}{T_2}

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P_1\text{ and }T_1 are initial pressure and temperature.

P_2\text{ and }T_2 are final pressure and temperature.

We are given:

By using conversion factor:   T(K)=T(^oC)+273

P_1=108kPa\\T_1=41^oC=314K\\P_2=?kPa\\T_2=22^oC=295K

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Hence, the new pressure will be 101.46 kPa.

3 0
3 years ago
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