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Vanyuwa [196]
3 years ago
6

Write the concentration equilibrium constant expression for this reaction.

Chemistry
1 answer:
tankabanditka [31]3 years ago
3 0

Answer:

K = [Cu2^+] / [Ag^+]^2

Explanation:

The equilibrium expression written for a system in equilibrium must take into account the balanced equation for the reaction and the phases (solid, liquid, gas, or dissolved) of each species involved in the reaction.

aA + bB ⇆ cC + dD

Kc = [C]^c + [D]^d / [A]^a + [B]^b

"[ ]" - concentration of the species (moles per liter or molarity)

"a, b, c, d" - coefficients used to balance the equation

"c in Kc" - indicates that the value of K is determined using the concentrations of each species

There are two cases when a species is not shown in the equilibrium expression:  when it is a solid and when it is a pure liquid or solvent.

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Convert each quantity to the indicated units. a. 3.01g to cg. b. 6200m to km
miss Akunina [59]

a. 301 cg

b. 6.2 km

Explanation:

a. knowing that 1 gram (g) is equal to 100 centigrams (cg) we devise the following reasoning:

if        1 g is equal to 100 cg

then  3.01 g are equal to X cg

X = (3.01 × 100) / 1 = 301 cg

b. knowing that 1 kilometer (km) is equal to 1000 meters (m) we devise the following reasoning:

if         1 km is equal to 1000 m

then   Y km are equal to 6200 m

Y = (6200 × 1) / 1000 = 6.2 km

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Describe some acidic oxides that can be prepared by thermal decomposition of nitrates and carbonates
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When calcium carbonate is heated, it breaks down to form calcium oxide and carbon dioxide.

Thermal decomposition is the process in which heat is required.

It is also known as thermolysis.

It is processed in which a compound breaks into two or more products when the heat is supplied.

This reaction is used for the production of oxygen.

This reaction is also used for production of acidic as well as basic oxides.

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