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2 years ago

Describe ways a lack of water could affect cell functions?

Chemistry

1 answer:

ladessa [460]2 years ago

4 0

The way a lack of water could affect cell functions is that cell membranes would lack structure.

Osmosis causes water to flow from the cell into the surrounding liquid. This causes the protoplasm all the material inside the cell, to shrink from the cell wall. Excessive water loss leading to cell wall breakdown can lead to cell death. Water is an important part of the protoplasm of living cells as it is directly involved in myriad biochemical reactions such as photosynthesis and respiration.

Without them, cells cannot move waste and byproducts absorb nutrients, carry out intracellular transport functions or send signals. Regulates body temperature. Moisten eye nose and mouth tissues. Protects body organs and tissues. Carry nutrients and oxygen to cells. Plasmolysis is a situation in which cells lose water in hypertonic solutions. the plant cells lose water causing them to shrink or shrink removing the cell cytoplasm from the cell wall.

Learn more about Cell functions here:-brainly.com/question/13880600

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Compare 1 mole of H2, 1 mole of O2 and 1 mole of F2

likoan [24]

Explanation:

(a) As per the mole concept, one mole of any atom contains $6.022 \times 10^{23}$ atoms or molecules, that is, Avogadro's number of atoms.

Therefore, 1 mole of $H_{2}$ = $2 \times 6.022 \times 10^{23}$ molecules

= $1.2044 \times 10^{23}$ molecules

1 mole of $O_{2}$ = $2 \times 6.022 \times 10^{23}$ molecules

= $1.2044 \times 10^{23}$ molecules

1 mole of $F_{2}$ = $2 \times 6.022 \times 10^{23}$ molecules

= $1.2044 \times 10^{23}$ molecules

Hence, there are equal number of molecules present in the given atoms.

(b) Mass of each given atom will be calculated as follows.

Mass = no. of moles × molar mass

As one molecule of $H_{2}$ contains 2 atoms of hydrogen.

So, mass of 1 mole of $H_{2}$ = $2 mol \times 1.008 g/mol$

= 2.016 g

mass of 1 mole of $O_{2}$ = $2 mol \times 15.999 g/mol$

= 31.996 g

mass of 1 mole of $F_{2}$ = $2 mol \times 18.998 g/mol$

= 37.996 g

Thus, we can conclude that $F_{2}$ has the greatest mass.

8 0

4 years ago

There is a bell at the top of a tower that is 45m high. The bell weighs 190N (N=Newtons). The bell has potential energy. The for

fiasKO [112]

Since the bell weighs 190 N and is 45 m high, the bell’s potential energy is 8550 J

To answer the question, we need to know what potential energy is.

<h3>What is potential energy?</h3>

This is energy due to position. It is given by PE = mgh where

m = mass,
g = acceleration due to gravity and
h = height of object.

Also, W = mg = weight of object.

So, PE = Wh

<h3>The bell's potential energy</h3>

Now, given that the bells weight 190 N and is 45 m high,

W = 190 N and
h = 45 m.

So, PE = Wh

= 190 N × 45 m

= 8550 Nm

= 8550 J

So, the bell’s potential energy is 8550 J

Learn more about potential energy here:

brainly.com/question/24933254

5 0

2 years ago

Who was Charles Darwin and what theory is he best known for?

Alona [7]

Answer:

Charles Darwin, in full Charles Robert Darwin, (born February 12, 1809, Shrewsbury, Shropshire, England—died April 19, 1882, Downe, Kent), English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.

Charles Darwin's theory of evolution states that evolution happens by natural selection. Individuals in a species show variation in physical characteristics. ... As a consequence those individuals most suited to their environment survive and, given enough time, the species will gradually evolve.

Explanation:

please mark me brainliest please

8 0

3 years ago

30 point. What is formed when a hydroxyl group is substituted for a hydrogen?

Andru [333]

Haloalkanes

Yeah it’s that

6 0

3 years ago

____ is an important nutrient for pregnant mothers.

Elanso [62]

Its all of the above.

- I took the test and mine is correct.

3 0

4 years ago