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slamgirl [31]
3 years ago
12

A dynamic state where two opposing forces are in balance, where two opposite events are occurring at equal rates is _____.

Chemistry
2 answers:
bearhunter [10]3 years ago
4 0
The answer is equilibrium 
Ilya [14]3 years ago
3 0

Answer: Option (b) is the correct answer.

Explanation:

An equilibrium reaction is a reaction in which rate of forward reaction equals to the rate of backward reaction.

Hence, equilibrium reactions are reversible in nature.

For example, A + B \rightleftharpoons C + D is an equilibrium reaction.

Thus, we can conclude that a dynamic state where two opposing forces are in balance, where two opposite events are occurring at equal rates is equilibrium.

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The solubility of magnesium phosphate at a given temperature is 0.173 g/L. Calculate the Ksp at this temperature. After you calc
jek_recluse [69]

Answer: K_{sp}=1.25\times 10^{-14}

pK_{sp}=13.90

Explanation:

Solubility product is defined as the equilibrium constant in which a solid ionic compound is dissolved to produce its ions in solution. It is represented as K_{sp}  

The equation for the ionization of magnesium phosphate is given as:

Mg_3(PO_4)_2\rightarrow 3Mg^{2+}+2PO_4^{3-}

 When the solubility of Mg_3(PO_4)_2 is S moles/liter, then the solubility of Mg^{2+} will be 3S moles\liter and solubility of PO_4^{3-} will be 2S moles/liter.

Thus S = 0.173 g/L or \frac{0.173g/L}{262.8g/mol}=0.00065mol/L

K_{sp}=(3S)^3\times (2S)^2

K_{sp}=108S^5

K_{sp}=108\times (0.00065)^5=1.25\times 10^{-14}

pK_{sp}=-log(K_{sp})=\log (1.25\times 10^{-14})=13.90

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2 years ago
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Answer:

B

Explanation:

Heating a piece of iron until it glows.

3 0
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What is the initial temperature of 50g of water that was raised to 50*C by the addition of 4.18kJ of heat energy? (2 sig fig)
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Explanation:

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