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4 years ago

Difference between boiling point and freezing point

Chemistry

1 answer:

Paladinen [302]4 years ago

8 0

Answer:

Lower vapor pressures of a substance has an obvious effect on a boiling point. The freezing point the rate at which the solid melts is equal to the rate which freezes.

Explanation:

In practice, small differences between these quantities can be observed. It is difficult, if not impossible, to heat a solid above its melting point because the heat

Hope this helps (:

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4 years ago

Calculate the mass in grams in nine molecules of CH3COOH? Please show how you got your answer.

WINSTONCH [101]

M CH₃COOH: 12u×2 + 1u×4 + 16u×2 = 60u

m 9CH₃COOH: 60u×9 = 540u

(1u ≈ 1,66·10⁻²⁴g)
-----------------------------
1u ------- 1,66·10⁻²⁴g
540u ---- X
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3 years ago

In stomach, Hydrochloric acid kills micro-organisms in the food. Stomach juices begin to break down p to amino acids. Stomach ju

Butoxors [25]

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Inside the stomach, Hydrochloric acid kills micro-organisms in the food. Stomach juices begin to break down proteins to amino acids.

✤ So, Fill the blank with proteins.

<h3>Explanation:-</h3>

Inside the stomach, the digestion of proteins starts due to the action of pepsin enzyme.
But this enzyme remains inactive and is activated by the Hydrochloric acid(HCl).
The Hydrochloric acid also helps in killing the germs and microbes which entered along with food.
The mucous lines the wall of stomach to protect it from the harm caused by HCl because HCl is a strong acid.
In stomach, The partial digestion of proteins occur and rest is digested in the small intestine by Trypsin(Pancreatic enzyme) and Intestinal juices.

━━━━━━━━━━━━━━━━━━━━

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4 years ago

7944/0.024 = _______ give the answer to the correct number of significant figures?

In-s [12.5K]

Answer:

330,000

Explanation:

Since there are only 2 significant figures in 0.024 ( and 0.024 is the number with the least number of significant numbers), the answer is 330,000, not 331,000.

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Answer:

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Explanation:

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4 years ago

Difference between boiling point and freezing point​

Difference between boiling point and freezing point