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klasskru [66]
3 years ago
9

How are protons, electrons, and neutrons correctly compared​

Chemistry
1 answer:
Fiesta28 [93]3 years ago
4 0

they all have one thing in common and that its all made up of atoms. When these components are active it creates energy  

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What are the characteristics of solution,colloids,and susensions?
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AppearanceClear, transparent and homogeneousCloudy, heterogeneous, at least two substances visibleParticle Sizemolecule in sizelarger than 10,000 AngstromsEffect of Light Tyndall Effectnone -- light passes through, particles do not reflect lightvariableEffect of Sedimentationnoneparticles will eventually settle ou
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Which of the following are sources of revenue for media companies? A. Direct sales to producers B.advertising and subscriptions
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c

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What are columns on the periodic table called? What is the significance of the columns on the periodic table?
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A reaction occurs when one compound reacts and is broken down into different elements or simpler compounds.
Inessa [10]

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Decomposition Reaction

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If you are referring to what type of reaction that occurred then the answer would be decomposition reaction.

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REACTANT → PRODUCT

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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.
GenaCL600 [577]

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.

Best regards!

4 0
3 years ago
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