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PIT_PIT [208]
3 years ago
11

d)Cho biết khi làm thí nghiệm với dung dịch hóa chất nào dưới đây bóng đèn cháy sáng: dịch dạ dày, nước vôi trong, giấm ăn, nước

cốt chanh, nước biển, nước đường.
Chemistry
1 answer:
AVprozaik [17]3 years ago
6 0

Answer:

I cant help can you translate to English?

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Why does our body need to use both mechanical and chemical digestion when we are breaking down our food?
melomori [17]

Answer:

Chemical digestion is a vital part of the digestive process. Without it, your body wouldn't be able to absorb nutrients from the foods you eat, also chemical digestion uses enzymes to break down food

mechanical digestion involves physical movements, such as chewing and muscle contractions,

Explanation:

5 0
3 years ago
Milk has a density of 1.04 g/ml. If you have a volume of 510 ml, what is the mass in grams
Law Incorporation [45]

Density is defined as the ratio of mass and volume. The formula of density is:

density = \frac{mass}{volume}     -(1)

Density of milk = 1.04 g/mL   (given)

Volume of milk = 510 mL      (given)

Substituting the values in formula (1):

1.04 g/mL = \frac{mass}{510 mL}

mass= 1.04 g/mL \times 510 mL

mass = 530.4 g

Hence, the mass of the milk is 530.4 g.

4 0
3 years ago
The volume of a gas is proportional to number of moles of a gas is known as
Kay [80]

Answer:

A modern statement is: Avogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.

3 0
3 years ago
When pressure is kept constant then the temperature varies with volume
Arada [10]

Answer:

A

Explanation:

8 0
3 years ago
What type of bond connects the fatty acid?
scoray [572]

The  type of bond connects the fatty acid will be " an ester bond".

Fatty acids could be joined to each of the three carbons of the glycerol molecule in a fat molecule by an ester bond that passes through into the oxygen atom. Three molecules are emitted during the establishment of the ester bond. Fats were also known as triacylglycerols as well as triglycerides because they are made consisting of three fatty acids and glycerol.

The three major nutrients in a diet may be carbohydrates, proteins, and fats. According to how many hydrogen bonds they contain, fats are classified as either saturated as well as unsaturated.

The  type of bond connects the fatty acid will be " an ester bond".

Hence, the correct answer will be option (c)

To know more about fatty acid

brainly.com/question/13528495

#SPJ4

7 0
2 years ago
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