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3.7 mol Mg(NO3)2

Explanation:

7.4 mol HNO3 * 1 mol Mg(NO3)2/2 mol HNO3 = 3.7 mol Mg(NO3)2

thats how its supposed to be

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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