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3 years ago

What precipitate sometimes forms during an acid-base neutralization reaction?

Chemistry

2 answers:

vaieri [72.5K]3 years ago

7 0

Answer:

The answer is option C.

Salt

Hope this helps you

MrRa [10]3 years ago

4 0

Salt because it’s the most acidic

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I neeed help please help

mina [271]

A. Lowering the temperature.

I hope this helped!

7 0

3 years ago

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An internal combustion engine relies primarily on the efficient production of energy by the combination of oxygen (02) and gasol

jeka57 [31]

Answer is: the exact ratio of oxygen to octane for is 12.5 : 1.
Balanced chemical reaction: C₈H₁₈ + 25/2O₂ → 8CO₂ + 9H₂O or multiply by 2:
2C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O.
There same number of atoms on both side of balanced chemical reaction: eight carbon atoms, eighteen hydrogen atoms and twenty five oxygen atoms.

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3 years ago

Use the Henderson-Hasselbalch equation and your knowledge of ionization to help you answer this question. Aspirin is a weak acid

Leya [2.2K]

Answer:

The protonated form is predominant when aspirin is absorbed more readily. The ratio of conjugate base to acid is 1 to 100.

Explanation:

Aspirin is more readily absorbed when it is protonated, that is when pH is lower than pKa (more H⁺ available in the medium). We can confirm this using Henderson-Hasselbalch equation for pH = 1.5:

$pH = pKa +log(\frac{conjugate base}{weak acid} )\\1.5=3.5 +log(\frac{conjugate base}{weak acid} )\\-2.0=log(\frac{conjugate base}{weak acid} )\\10^{-2.0} =\frac{conjugate base}{weak acid}\\\frac{conjugate base}{weak acid}=0.01=\frac{1}{100}$

When aspirin is absorbed more readily the ratio of conjugate base to acid is 1 to 100, being the acid the predominant form.

6 0

3 years ago

How to calculate density (what’s the formula) density=_ divided by _

Sphinxa [80]

Answer:

density equals weigt divided by volume

Explanation:

$density = \frac{m}{v}$

8 0

3 years ago

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

son4ous [18]

Answer:

F = MA

500 = 50 multiply by A

A= 500/50

A= 10m/s2

3 0

2 years ago