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otez555 [7]
3 years ago
10

If a cell has a nucleus, then it is a

Chemistry
2 answers:
slega [8]3 years ago
6 0

Answer:

Eukaryotic cells.

Explanation:

Eukaryote means having membrane-bound organelles.

Nadya [2.5K]3 years ago
5 0

Answer:

It is a eukaryotic cell because prokaryotes don't have a nucleus, rather, they have a nucleoid.

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How many joules of heat are absorbed when 73 g water are heated from 30*C to 43*C? *
stepladder [879]

Answer:

3966.82 J

Explanation:

q=sm∆T

q=73×13×4.18

the specific heat for water is 4.18

6 0
3 years ago
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What are the names of the elements which are gases in the air
Yakvenalex [24]
The molecules of two different elements, nitrogen and oxygen, make up about 99 percent of the air.


have a good day !! :)
6 0
3 years ago
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What are the three major life processes that have to occur in animal cells?
Gwar [14]
1- Movement 
2- Respiration 
3- Growth 

7 0
3 years ago
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The vapor pressure of a substance describes how readily molecules at the surface of the substance enter the gaseous phase. At th
geniusboy [140]

Answer:

84.75°C is the boiling point of water at an elevation of 7000 meter.

Explanation:

Rate of change of pressure = 19.8 mmHg/1000 ft

1 foot = \frac{1}{3.28} meter

19.8 mmHg/1000 ft=\frac{19.8}{1000}\times 3.28 mmHg/m=0.065 mmHg

Pressure change for every 1 m = 0.065 mmHg × 1= 0.065 mmHg

Elevation      Pressure

     0 m       760 mmHg

1000 m       695 mmHg

2000 m       630 mmHg

Pressure drop at the elevation of 7000 m: 7000\times 0.065 mmHg=455 mmHg

Pressure at 7000 m = 760 mmHg - 455mmHg = 305 mmHg

The boiling point of water decreases 0.05°C for every 1 mmHg drop in atmospheric pressure.

At 7000 meter elevation the boiling of water will be :

0.05^oC\times 305=15.25^oC

Boiling point of water at 7000 meter elevation :

100.0^oC-15.25^oC =84.75^oC

84.75°C is the boiling point of water at an elevation of 7000 meter.

8 0
4 years ago
suppose you use a pitcher to to estimate 1.25 qt of water ( experimental volume) . You later measured the volume more precisely
saul85 [17]

The percent error in the initial measurement would be 6.47%

<h3>Percent Error</h3>

Percent error in any measurement is mathematically given as:

                    absolute error/true measurement x 100%

In this case;

True measurement = 1.34 qt

Absolute Error = 1.34 - 1.25

                         = 0.09 qt

Percent error = 0.09/1.34 x 100%

                      = 6.47%

More on percent error can be found here: brainly.com/question/3105259?referrer=searchResults

6 0
3 years ago
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