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I am Lyosha [343]
2 years ago
5

Which statements best describe half-lives of radioactive isotopes? Check all that apply.

Chemistry
2 answers:
AURORKA [14]2 years ago
5 0

Answer: The half-life varies depending on the isotope.  Half-lives range from fractions of a second to billions of years.   The half-life of a particular isotope is constant.  

Explanation: On Edgenuity!!!!

Igoryamba2 years ago
3 0

Answer:

The half-life varies depending on the isotope.

Half-lives range from fractions of a second to billions of years.

The half-life of a particular isotope is constant.

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An ocean trench .
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C. Occurs where a plate is moving down.

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3 years ago
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Elza [17]

Answer:

C

Explanation:

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3 years ago
Other than a tornado/hurricane identify a situation in which u would wrather know the velocity than the speed.please explain in
34kurt
A tsunami.Because tsunamis are unpredictable in a way, a body of water that is very vast can cause an uprising of water. As for instance, if I lived in Hawaii, and their was a tsunami coming forth from each side, it would be a problem.
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3 years ago
How does increasing the temperature affect a reaction?
Luden [163]

Answer:A. An increase in temperature increases the reaction rate.

Explanation:because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction.

4 0
3 years ago
To what volume should you dilute 50.0 ml of 12 m hno3 solution to obtain a 0.100 m hno3 solution?
bearhunter [10]

Answer:

The answer is "6L"

Explanation:

Formula:

\bold{C_1 \times V_1 = C_2 \times V_2 }\\\\V_2= \frac{C_1\times V_1}{C_2}

Values:

\to C_1= 12 \ m\\\to V_1= 50 \ ml\\\to C_2= 0.100 \ m\\\\\\V_2= \frac{12 \times 50 }{0.100}

   = \frac{12 \times 50 }{0.100}\\\\= \frac{12 \times 50 \times 1000}{100}\\\\= \frac{600 \times 1000}{100}\\\\= 600 \times 10\\\\=6000 \ ml\\= 6 \ L

4 0
3 years ago
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