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Naya [18.7K]
3 years ago
8

FILL IN THE BLANK! ILL GIVE BRAINLIEST The heat trapping nature of__and other gases was demonstrated in the mid 19th century

Chemistry
1 answer:
Gekata [30.6K]3 years ago
4 0
<h2>Answer:</h2>

carbon dioxide

<h2>Explanation:</h2>

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When 2 moles of Fe(s) react with Cl2(g) to form FeCl3(s) according to the following equation, 799 kJ of energy are evolved.
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Answer:

1. Exothermic.

2. -1598 kJ.

Explanation:

Hello!

1. In this case, according to the reaction, we can infer that 799 kJ of energy are evolved (given off, released) it means that the enthalpy of reaction is negative as the reactants have more energy than the products; which means this is an exothermic reaction.

2. Here, as we know that the enthalpy of reaction is -799 kJ/mol, we can compute the q-value as shown below, considering the reacted 2 moles of solid iron:

q=2mol*-799 kJ/mol\\\\q=-1598kJ

Which means that 1598 kJ of energy are evolved when 2 moles of solid iron react.

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leva [86]

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What are the reference points in thermometer with Celsius scale?
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