With which group would group 18 most likely bond

Chemistry

1 answer:

Mice21 [21]3 years ago

8 0

Answer:

The noble gases (Group 18) are located in the right of the periodic table and were previously referred to as the "inert gases" due to the fact that their filled valence shells (octets) make them extremely nonreactivE

Explanation:

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If the molar enthalpy for the formation of a compound is –192 kJ, why is the molar enthalpy of the decomposition of that compoun

Olenka [21]

Because the decomposition is the reverse process of the formation.

Enthalpy is a function of state, which means that the value dependes only on the state and not the pathway.

Then the change of enthalpy is the same in magnitude for both cases but in formation the change is netavie (releases energy) and in the other is postive (absorbs energy).

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3 years ago

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Samples with masses of 5.5 g 2.27 g and 0.8995 g are mixed together. The sum of the masses of the three

Nadusha1986 [10]

Answer:

$m=8.7g$

Explanation:

Hello,

In this case, it is widely known that when measurements with different significant figures are put under mathematical operations, the final result must be displayed with the same amount of significant figures of the shortest measurement, thus, due to the fact that 5.5 g has two significant figures only the result is consequently shown with two significant figures as well as shown down below:

$m=5.5g+2.27g+0.8995g\\\\m=8.6695g$