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hichkok12 [17]
3 years ago
14

Which is a major function of diffusion in cells

Chemistry
1 answer:
Naddik [55]3 years ago
4 0

Answer:

Diffusion plays an essential function in cell as it's molecules move from higher to lower concentration and by which cell exchange toxic gases for life sustaining gases.

Explanation:

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3. How much energy is needed to raise 45 grams of water from 40°C to 115 °C?
Dafna1 [17]

Answer:

Q = 114349.5 J

Explanation:

Hello there!

In this case, since this a problem in which we need to calculate the total heat of the described process, it turns out convenient to calculate it in three steps; the first one, associated to the heating of the liquid water from 40 °C to 100 °C, next the vaporization of liquid water to steam at constant 100 °C and finally the heating of steam from 100 °C to 115 °C. In such a way, we calculate each heat as shown below:

Q_1=45g*4.18\frac{J}{g\°C}*(100\°C-40\°C)=11286J\\\\Q_2=45g* 2260 \frac{J}{g} =101700J\\\\Q_3=45*2.02\frac{J}{g\°C}*(115\°C-100\°C)=1363.5J

Thus, the total energy turns out to be:

Q_T=11286J+101700J+1363.5J\\\\Q_T=114349.5J

Best regards!

5 0
3 years ago
It is responsible for the generation of earth’s magnetic field
morpeh [17]

Answer: The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in the Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.

Explanation:

8 0
3 years ago
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What produced the sulfuric acid that helped form the Lechugilla caves
kupik [55]
Answer is :c) Gas(hydrogen sulfide)
6 0
3 years ago
Please help. I will post another sheet because I need help, thanks!
Sliva [168]
The last one will be It's better to use the average data instead of the single trail because the average you don't have to multiply add subtract and all that nonsense but if you use the single trail you will have to do all the adding multiplying etc.
8 0
3 years ago
What are precautions to be taken when doing titrations? A-Make sure to always vigorously shake that flask after every drop if th
-BARSIC- [3]

Answer:

E

Explanation:

This is because all steps from A-D are important to obtain an accurate result

6 0
3 years ago
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