Question

Consider the given reaction
PCI5 (g) --- PCl3 (g)+ Cl2 (g)

If the enthalpy change (i.e. delta H) for the
reaction is -X J at T K then the value of delta U is
[NCE
(1) (-x + 8.314 T) J (2) -(x + 8.3
(3) (x + 8.314 T) kJ (4) -(x + 8.3​

Answer 1

Answer:

PCl

5

(g)⟶PCl

3

(g)+Cl

2

(g)

If the enthaply change (i.e. ΔH) for the given reaction is −x at T K then the value of ΔU is :

ans : (-x + 8.314 T) J

Answer 2

Answer:

ans : 1. (-x + 8.314 T) J

Explanation:

Chemical reaction is the transformation of one or more chemicals (the reactants) into one or more distinct compounds (the products). Chemical elements or chemical compounds make up substances. In a chemical reaction, the atoms that make up the reactants are rearranged to produce various products.

Chemical reactions are a fundamental component of life, technology,itself, as well as technology and culture. Burning fuels, smelting iron, creating glass and pottery, brewing beer, making wine, and making cheese are just a few examples of ancient processes that involved chemical reactions. The Earth's geology, the atmosphere, the oceans, and a wide variety of intricate processes place in all living systems are rife with chemical reactions.

Under typical laboratory conditions, matter is neither generated nor destroyed during reactions, nor are elements changed into one another. As a result, equations that represent reactions must be balanced, which means that the same amount of atoms from each type must appear on the two opposite sides of the equation.

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