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Mariulka [41]
3 years ago
6

An 100g box have a temperature of 22 C. What temperature must a 200g box be kept at in order for both to have the same amount of

thermal energy?
Chemistry
1 answer:
Elis [28]3 years ago
4 0

Answer:

the answer is 1 sir BC i t is BC it is BC its 2

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Half-life is the length of time it takes for half of the radioactive atoms of a specific radionuclide to decay. A good rule of thumb is that, after seven half-lives, you will have less than one percent of the original amount of radiation.

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half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive.

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Which element does X represent in the following expression: 2512X?
pogonyaev
<span>I bet this is the notation used in nuclear reactions. The superscript represents the mass number while the subscript represents the atomic number of the element X. So, we find the element with an atomic number of 12. That would be Magnesium or Mg.</span>
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