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Gnoma [55]
3 years ago
14

How do acids preserve food

Chemistry
2 answers:
tatyana61 [14]3 years ago
4 0

Explanation:

acids reduce the pH of the food.if used properly,the pH will be reduced to a range where pathogens and many spoilage organisms will not grow

san4es73 [151]3 years ago
4 0

Answer:

Bacteria are unable to grow in acidic environment. Therefore, citric acid preserves the food from bacteria and longer the shelf life of the food.

Acids that are used to protect food:

Maleic acid , acetic acid (also known as vinegar ) , citric acid , tartaric acid , bezonzoic acid , Sorbic acid , potassium Sorbates , ascorbic acid and Formic acid are some of the acids that are used to preserve foods.

Hope it helps!

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Explain whether nitrogen atoms will form bonds with other atoms.
Stells [14]
Nitrogen  can make   bonds with other atoms.. Typically though it only makes 3 bonds, so it fills its octet.
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3 years ago
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After looking at answers I agree with the statement Chemistry is fun.

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2 years ago
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How does activation energy affect a chemical reaction ?
PilotLPTM [1.2K]

Enzymes affect the rate of the reaction in both the forward and reverse directions; the reaction proceeds faster because less energy is required for molecules to react when they collide. Thus, the rate constant (k) increases. Figure 3: Lowering the Activation Energy of a Reaction by a Catalyst.

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3 years ago
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A sample of 0.200 moles of nitrogen occupies 0.400 L. Under the same conditions, what number of moles occupies 1.200 L
IRISSAK [1]

The number of mole of nitrogen that occupies 1.2 L under the same condition is 0.6 mole

<h3>Data obtained from the question </h3>
  • Initial mole (n₁) = 0.2 mole
  • Initial volume (V₁) = 0.4 L
  • Final volume (V₂) = 1.2 L
  • Final mole (n₂) =?

<h3>How to determine the final mole </h3>

The final mole can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

Divide both side n

PV / n = RT

Divide both side by P

V / n = RT / P

RT / P = constant

V / n = constant

Thus,

V₁ / n₁ = V₂ / n₂

0.4 / 0.2 = 1.2 / n₂

2 = 1.2 / n₂

Cross multiply

2 × n₂ = 1.2

Divide both side by 2

n₂ = 1.2 / 2

n₂ = 0.6 mole

Learn more about ideal gas equation:

brainly.com/question/4147359

#SPJ1

7 0
2 years ago
Which layer over time due to chemical and physical weathering leads to the other layers?
ivanzaharov [21]

Answer:

chemical weathering occurs on the surface of minerals, the water and acids that control chemical weathering require access to the surface. Physical weathering breaks the rock to provide that surface

7 0
2 years ago
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