One mole of an ideal monatomic gas is expanded from an initial state at 3 bar and 450 K to a final state at 2 bar and 250 K. a. Choose two different paths for this expansion, specify them carefully, and calculate w and q for each path. b. Calculate !U and !S for each path.

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Ответ:

msprincessswag3324

29.01.2023

Chemistry

Answer :

The complete net ionic equation is :

$2OH^-(aq)+2H^+(aq)\rightarrow 2H_2O(l)$

Explanation :

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

Net ionic equation : In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The balanced molecular equation will be,

$Ca(OH)_2(aq)+2HNO_3(aq)\rightarrow Ca(NO_3)_2(aq)+2H_2O(l)$

The complete ionic equation in separated aqueous solution will be,

$Ca^{2+}(aq)+2OH^-(aq)+2H^+(aq)+2NO_3^{-}(aq)\rightarrow Ca^{2+}(aq)+2NO_3^{-}(aq)+2H_2O(l)$

In this equation the species, $Ca^{2+}^\text{ and }NO_3^{-}$ are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The complete net ionic equation is:

$2OH^-(aq)+2H^+(aq)\rightarrow 2H_2O(l)$

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