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lesya692 [45]
3 years ago
6

A thermometer is placed in a beaker full of water that has been sitting on the lab table for a few hours. The beaker is placed o

n a ring stand and heated over a Bunsen burner for 4 minutes. After 4 minutes, the temperature is taken again. Find the temperature change of the water if the temperature of the room is 26°C.
Chemistry
1 answer:
meriva3 years ago
7 0
The temperature would be 30C if the water is at the same temp as the lab  <span />
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g For the reaction Ag2S(s)⇌2Ag+(aq)+S2−(aq)Ag2S(s)⇌2Ag+(aq)+S2−(aq), Keq=2.4×10−4Keq=2.4×10−4, and the equilibrium concentration
Roman55 [17]

Answer:

0.32 M

Explanation:

Step 1: Write the balanced reaction at equilibrium

Ag₂S(s) ⇌ 2 Ag⁺(aq) + S²⁻(aq)

Step 2: Calculate the concentration of Ag⁺ at equilibrium

We will use the formula for the concentration equilibrium constant (Keq), which is equal to the product of the concentrations of the products raised to their stoichiometric coefficients divided by the product of the concentrations of the reactants raised to their stoichiometric coefficients. It only includes gases and aqueous species.

Keq = [Ag⁺]² × [S²⁻]

[Ag⁺] = √{Keq / [S²⁻]}

[Ag⁺] = √{2.4 × 10⁻⁴ / 0.0023} = 0.32 M

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5 primary carbon atoms

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Which of the following is true about the two atoms below?
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