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yanalaym [24]
3 years ago
11

23 When the pH of a buffer is equal to its pKa, what is the amount of dissociation that has occurred?

Chemistry
1 answer:
Gemiola [76]3 years ago
3 0
The correct answer is 50%.
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How much heat is required, in calories, to raise the temperature of 57.8 g of silver from
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Answer:

87.3 calories of heat is required.

Explanation:

Heat = mcΔT

m= mass, c = specific heat of silver, T = temperature

H= 57.8 g * 0.057 cal/g°C * ( 43.5 - 17 °C)

H = 57.8 * 0.057 * 26.5

H = 87.3069 cal.

The heat required to raise the temperature of 57.8 g of silver from 17 °C to 43.5 °C is 87.3 calories.

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1.Salts consist of atomic particles that have an (blank) charge.
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The nonmetal elements have a negative charge.
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if a liquid is heated and the temperature at which it boils is measured, the ? property is being measured.
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