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Sati [7]
3 years ago
8

Use this interactive illustration to examine the movement of the continents over the past 600 million years.Which phrase describ

es the movement of the continents?
*only coming together
*only moving apart
*coming together and moving apart
*not moving; always in one solid land mass
Chemistry
2 answers:
mixas84 [53]3 years ago
7 0
The phrase that describes the movement of the continents based on the interactive illustration that helps us examine the movement of the continents over the past 600 million years is this: <span>coming together and moving apart. The answer is the third option. Hope this helps.</span>
Vlad1618 [11]3 years ago
4 0

the answer is C) moving together and moving apart

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Entropy change is defined as the difference in entropy of all the product and the reactants each multiplied with their respective number of moles.

The equation used to calculate entropy change is of a reaction is:

\Delta S^o_{rxn}=\sum [n\times \Delta S^o_{(product)}]-\sum [n\times \Delta S^o_{(reactant)}]

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\Delta S^o_{rxn}=[(2\times \Delta S^o_{(NO_2(g))})]-[(1\times \Delta S^o_{(N_2(g))})+(2\times \Delta S^o_{(O_2(g))})]

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\Delta S^o_{(NO_2(g))}=240.06J/K.mol\\\Delta S^o_{(O_2)}=205.14J/K.mol\\\Delta S^o_{(N_2)}=191.61J/K.mol

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\Delta S^o_{rxn}=[(2\times (240.06))]-[(1\times (191.61))+(2\times (205.14))]\\\\\Delta S^o_{rxn}=-121.77J/K

Entropy change of the surrounding = - (Entropy change of the system) = -(-121.77) J/K = 121.77 J/K

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By Stoichiometry of the reaction:

When 1 mole of nitrogen gas is reacted, the entropy change of the surrounding will be 121.77 J/K

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Hence, the value of \Delta S^o for the surrounding when given amount of nitrogen gas is reacted is 231.36 J/K

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