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Artist 52 [7]
3 years ago
6

Which process releases the most heat?

Chemistry
2 answers:
yaroslaw [1]3 years ago
8 0

Answer:

the boiling of 10g of liquid water

vlada-n [284]3 years ago
3 0

Answer:

The correct option is "the condensation of 10 g of gaseous water"

Explanation:

In condensation,gaseous stats is changes into  liquid. So it will release more energy to convert from one state to another state.So it is exothermic process in which heat is released.

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Copper metal (Cu) reacts with silver nitrate (AgNO3) in aqueous solution to form Ag and Cu(NO3)2. The balanced chemical equation
Rufina [12.5K]

The mass formed in a chemical reaction is given by stoichiometry law in balanced chemical equation. The mass of silver produced in the reaction is 107. 9 g.

<h3>What is the stoichiometric law?</h3>

The stoichiometric law states that in a balanced chemical equation, the stoichiometric coefficient describes the moles of each compound in a chemical reaction.

The balanced chemical equation for the reaction is:

\rm Cu\;+\;2\;AgNO_3\;\rightarrow\;Cu(NO_3)_2\;+\;2\;Ag

From the balanced chemical equation, 1 moles of copper results in 2 moles of silver.

Moles in terms of mass can be given as:

\rm Moles=\dfrac{Mass}{Molar\;mass}

Thus, moles of 31. 75 grams copper is:

\rm Cu=\dfrac{ 31. 75 }{63.5}\;mol\\ Cu=0.5 mol

The moles of Ag produced can be given from stoichiometric law as:

\rm 1\;mol\;Cu=2\;mol\;Ag\\0.5 \;mol\;Cu=0.5\;\times\;2\;mol\;Ag\\0.5\;mol\;Cu=1\;mol\;Ag

The moles of Ag produced is 1 mol.

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Learn more about stoichiometric law, here:

brainly.com/question/6907332

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