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traphard979
19.11.2019 •
Chemistry
You are given 10.58 grams of substance x. the specific heat of this substance is 3.58 j/g·°c. if the mass of substance x is doubled, the specific heat of this substance will also double
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Ответ:
If that is the case, this statement is false.
You have the equation Q = mcΔT.
The statement states that if m is doubled, c is doubled as well. This is incorrect, since the specific heat value cannot be changed because it is attributed to the specific substance. If m doubles with the same substance, assuming a constant change in temperature, the only thing that can change is Q, which is the heat energy gained or lost from the substance.
Ответ:
The correct answer is option C.
Explanation:
The radioisotopes in the Earth's interior are not in pure form and exhibit various entrenched impurities and are interspersed. Thus, when a neutron is discharged by a decaying atom, its occurrences of hitting another atom of radioisotope in order to continue the chain reaction becomes lower in comparison to the man-made nuclear reactor. In this manner, the radioactive chain reaction in the interior of the Earth is not well-sustained.