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3 years ago

What are two foods that have acid in them

1 answer:

8 0

There are a bunch of different types of foods that have acid in them, which can cause acid reflex or heartburn.

Some foods that have acid in them are:

Soft drinks (Caffeine, Cola...)
Sugar (which is in most of the food we eat nowadays)
Processed food (such as turkey, beef..)

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Which of these period three elements from the periodic table would you predict to be the MOST metallic?

Thepotemich [5.8K]

Al, since it is the only metal in that list

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4 years ago

Read 2 more answers

What are the chemicals used to preserve food and give it color and flavor

Lelechka [254]

Answer:

Some of the chemicals used to preserve food and give it color are sodium nitrate, sodium benzoate, and propionate

Explanation:

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3 years ago

The pH of a 0.05 M solution of acetic acid is 3. What is the value of the equilibrium constant for the dissociation of acetic ac

Leokris [45]

Answer:

k = 2,04x10⁻⁵

Explanation:

The equilibrium of acetic acid (CH₃COOH) in water is:

CH₃COOH ⇄ CH₃COO⁻ + H⁺.

And the equilibrium constant is defined as:

k = [CH₃COO⁻] [H⁺] / [CH₃COOH] (1)

The equiibrium concentration of each specie if the solution of acetic acid is 0,05M is:

[CH₃COOH] = 0,05M - x

[CH₃COO⁻] = x

[H⁺] = x

-Where x is the degree of reaction progress-

As the pH is 3, [H⁺] = 1x10⁻³M. That means x = 1x10⁻³M

Replacing in (1):

k = (1x10⁻³)² / 0,05 - 1x10⁻³

k = 1x10⁻⁶ / 0,049

k = 2,04x10⁻⁵

I hope it helps!

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3 years ago

Does anyone know the answer to this? is it A?

AfilCa [17]

Answer:

1/2 ( the two answers given are not FRACTIONS)

Explanation:

Moles of CH3OH = 128 gm / 32 gm / mole = 4 moles

Moles of water 72 gm / 18 gm /mole = 4

Mole fraction of CH3OH = 4 / ( 4+4) = 4/8 = 1/2

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2 years ago

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Gre4nikov [31]

Answer:

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2.4FeS+7O2--> 2Fe2O3+4SO2

3. C2H6O+3O2-->2CO2+3H2O

4.2AgI+Na2S-->Ag2S+2NaI

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3 years ago