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Alex73 [517]
3 years ago
12

Why is rock material not gained or lost in the rock cycle

Chemistry
1 answer:
Mariulka [41]3 years ago
8 0
Matter cant be destroyed or created so if a rock erodes the rock material will just go somewhere else it wont be destroyed
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The mass of a deuterium nucleus 21H is less than its components masses. Calculate the mass defect.________ amu
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Answer:

The mass defect of a deuterium nucleus is 0.001848 amu.

Explanation:

The deuterium is:

^{A}_{Z}X \rightarrow ^{2}_{1}H  

The mass defect can be calculated by using the following equation:

\Delta m = [Zm_{p} + (A - Z)m_{n}] - m_{a}

Where:

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Then, the mass defect is:

\Delta m = [1.00728 amu + (2- 1)1.00867 amu] - 2.01410178 amu = 0.001848 amu

Therefore, the mass defect of a deuterium nucleus is 0.001848 amu.

I hope it helps you!  

5 0
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