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guapka [62]
3 years ago
9

Hybridization of Al in AlF3

Chemistry
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

Hybridization of Al in AlF3 solid is sp3d2.

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Which of the following statements is true regarding bacteria and animal cells?
Fantom [35]

The most accurate answer is A.

Bacterial cells are  generally very small, almost 10 times smaller than most animal and plant cells. Most bacterial cells measure about  0.2 to 10 microns or micrometers which in inches is 0.0000079 to 0.00039.

One of the reasons that bacterial cells are so small is that they require a large surface area to volume ratio to be able to take in nutrients. They take in nutrients from their surroundings through the process of diffusion.


3 0
3 years ago
Which statement about phospholipids is true?
Ira Lisetskai [31]

Answer:

3. Tails of phospholipids are hydrophobic.

Explanation:

According to the fluid mosaic model, the plasma or cell membrane contains components such as: proteins, phospholipids etc. The phospholipid forms a layer called PHOSPHOLIPID LAYER, which comprises of a phosphate head and a fatty acid (lipid) tail.

The phosphate head is HYDROPHILIC i.e. water-logging while the fatty acid/lipid tail is HYDROPHOBIC i.e. water-fearing. Hence, according to this question, it is TRUE that the tails of phospholipids are hydrophobic.

Note: Phospholipid layer, which are selectively-permeable i.e do not allow the passage of molecules, allows the passage/diffusion of small molecules like oxygen gas.

5 0
2 years ago
Read 2 more answers
Which metal absorbs the greatest amount of heat energy
Fed [463]

Answer:

This question is incomplete but the completed question is in the attachment below. And the correct is b

Explanation:

Specific heat capacity can be defined as the amount of heat required to raise to raise 1 kg of a substance by 1 kelvin. Thus, this means that when the specific heat capacity of a substance is high, it takes more energy to increase the temperature of that substance. This also means that when different substances are subjected to the same amount of heat, the substance with the higher specific heat capacity will absorb less heat; for example at a beach, water has a very high specific heat capacity, thus when the sand in the beach is hot, the beach water is still relatively cold.

From the description above, <u>it can be seen that the metal with the least specific capacity will absorb the greatest amount of heat, thus the metal is lead</u> with the specific heat capacity of 0.129 J/(g. °C).

4 0
2 years ago
Will mark a brainliest.
ch4aika [34]

Answer:

The answer is actually CO4

Explanation:

prove me wrong

5 0
2 years ago
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Which of the following is an example of a phase change from liquid to gas?
netineya [11]
Correct answer to this question is c. water evaporating
6 0
3 years ago
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