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Ugo [173]
3 years ago
5

Convert 23 calories into kcal​

Chemistry
2 answers:
AVprozaik [17]3 years ago
6 0

0.023, to do it, just simply divide the energy value by 1000.

ValentinkaMS [17]3 years ago
3 0

0.023 is 23 calories converted to kcal

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It means that as the inertia increases, this allows the mass to increase as well.
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At 100 degrees Celsius, the ion product for pure water is Kw= 51.3*10^-14. What is the pOH of water at this temperature? A) 7.00
Levart [38]

7.86 is the pOH of water at this temperature of 100 degrees celsius.

Option E is the right answer.

Explanation:

Data given:

Kw = 51.3 x 10^{-14}

pOH = ?

we know that pure water is neutral and will have pH pf 7.

The equation for relation between Kw and H+ and OH- ion is given by:

Kw = [H+] [OH-}

here the concentration of H+ ion and OH- ion is equal

so, [H+]= [OH-]

Putting the values in the equation of Kw

pKw = -log[Kw]

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pKw = 12.28

since H+ ion OH ion concentration is equal the pH of water is half i.e. 6.14

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pOH = 7.86

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3 years ago
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3 years ago
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5.1169 mol of Ne is held at 0.9148 atm and 911 K. What is the volume of its container in liters?
sveticcg [70]

By applying the Boyle's equation and substituting our given data the volume of the container was found to be 418.14 Litres

<h3>Boyle's  Law</h3>

Given Data

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We know that the relationship between pressure and temperature is given as

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Substituting our given data to find the volume we have

V = 5.1169*0.08206*911/0.9148

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Learn more about Boyle's law here:

brainly.com/question/469270

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2 years ago
What is a conjugate acid-base pair?
kipiarov [429]

Answer:

B

Explanation:

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3 years ago
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