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STALIN [3.7K]
3 years ago
9

Calculate the pH of a solution that has a hydronium ion concentration of 0.0084 M

Chemistry
1 answer:
eimsori [14]3 years ago
8 0

the pH would be 1.00

I think, correct me if i'm wrong.

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Calculate the energy required to heat of ethanol from to . Assume the specific heat capacity of ethanol under these conditions i
Marianna [84]

Answer:

17 kJ

Explanation:

Calculation for the Calculate the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C.

Using this formula

q = mC∆T

Where,

q represent Energy

m represent Mass of substance=0.60kg=600g

C represent Specific heat capacity=2.44J·g−1K−1.

∆T represent change in Temperature=2.2°C to 13.7°C.

Let plug in the formula

q=(0.60 kg x 1000 g/kg)(2.44 J/gº)(13.7°C-2.2°C)

q = (600g)(2.44 J/gº)(11.5º)

q=16.836 kJ

q= 17 kJ (Approximately)

Therefore the energy required to heat 0.60kg of ethanol from 2.2°C to 13.7°C will be 17 kJ

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Thus the exchange of ions take place and all the compounds are soluble so the chemical formulas are followed by the symbol (aq).

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