The Law of Multiple Proportions states that ____.
1 answer:
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The correct statement is " A single bond, because they overlap orbitals to share one pair of electrons." A fluorine atom is unstable with 7 electrons in its valence shell and so needs one more electron to achieve stability. This is according to the octet rule which states that an atom will gain or lose electrons until there are 8 electrons in its valence shell. So each fluorine donates an electron to form a single pair and the achieves a noble gas configuration.
Answer:
1.2 × 10² J
Explanation:
Given data
- Mass of iron (m): 25 g
- Initial temperature: 295 K
- Final temperature: 306 K
The amount of heat (Q) that a substance absorbs depends on its specific heat capacity (c), which is the amount of heat energy required to raise the temperature of a substance per unit of mass. It can be calculated through the following expression. <em>(cFe = 0.444 J/g.K)</em>