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Pavel [41]
3 years ago
15

What are the three challenges of a cell?

Chemistry
1 answer:
Zolol [24]3 years ago
3 0
<span>The cell must exchange materials with the environment across the surface membrane. An increase in size will result in a relatively greater increase in volume and mass than in surface area, so that the cell will lose effective exchange capacity. 

</span>
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Explain how scientists know the oxygen level in the atmosphere has changed because of plants. Could our atmosphere still be chan
alukav5142 [94]

Answer:

Kya hova be Tera question koi nahi btaye ga

4 0
3 years ago
A balloon inflated in a room at 25oC has a volume of 3.00 L. If the balloon is heated at a constant pressure, at what temperatur
Alexeev081 [22]

Answer:

596K

Explanation:

Using Charles law equation;

V1/T1 = V2/T2

Where;

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question,

V1 = 3.00 L

V2 = double of V1 = 2 × 3.00 = 6.00 L

T1 = 25°C = 25 + 273 = 298K

T2 = ?

Using V1/T1 = V2/T2

3/298 = 6/T2

Cross multiply

298 × 6 = 3 × T2

1788 = 3T2

T2 = 1788 ÷ 3

T2 = 596K

8 0
3 years ago
What is the key structural feature of all Brønsted-Lowry bases? How does this feature function in an acid-base reaction?
Fiesta28 [93]

Key feature of a Bronsted Lowry base : The notable feature of all bronsted lowry bases is that they contain atleast one electron lone pair, which is available for interaction with a proton, and allows the base to act as a proton acceptor.

<h3>What do we know about Bronsted Lowry Base?</h3>

Any species that can receive a proton and needs one pair of electrons to attach to the H+ is referred to as a Bronsted-Lowry base. Since water is amphoteric, it may function as both a Brnsted-Lowry acid and a base.

The Brønsted–Lowry theory is an acid–base reaction theory which was proposed independently by Johannes Nicolaus Brønsted and Thomas Martin Lowry in 1923.

To know more about bases:

brainly.com/question/23687757

#SPJ4

3 0
1 year ago
How many neutrons does element x have it it’s atomic number is 20 and it’s mass is 88?
kogti [31]
88 is the combined mass of the neutrons and protons whereas 20 is just the protons therefore the answer is 88-20=68
8 0
3 years ago
Choose all the correct answers.
Troyanec [42]
The Jovian planted include: Jupiter, Saturn, Uranus, and Neptune. The other planets are terrestrial planets!
8 0
2 years ago
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