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3 years ago

5

Which organelle’s function is NOT correct?

1 answer:

Scorpion4ik [409]3 years ago

5 0

The answer is the last one, “The cell membrane is the only source of support and structure in plant and animal cells.” That is false because plant cells have a cell wall and cell membrane while animal cells only have a cell membrane.

Hope this helps:)

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hat historical figure was responsible for developing the system for categorizing living things that is still used today? A) Sir

VladimirAG [237]

Carolus Linnaeus is responsible.

3 0

3 years ago

Nitrogen was heated from 17°C to 37°C. The original volume of nitrogen was 8.5 L. Find the new volume in liters assuming P and n

Nata [24]

Answer:

The new volume of the gas is 9.086 liters.

Explanation:

Let suppose that nitrogen has a behavior of ideal gas, the equation of state for ideal gases is:

$P\cdot V = n \cdot R_{u}\cdot T$ (1)

Where:

$P$ - Pressure, measured in atmospheres.

$V$ - Volumen, measured in liters.

$n$ - Molar amount, measured in moles.

$T$ - Temperature, measured in Kelvin.

$R_{u}$ - Ideal gas constant, measured in atmosphere-liters per mole-Kelvin.

If pressure and molar amount of the gas remain constant, then we construct the following relationship:

$\frac{T_{1}}{V_{1}} = \frac{T_{2}}{V_{2}}$ (2)

If we know that $T_{1} = 290.15\,K$ , $P_{1} = 8.5\,L$ and $T_{2} = 310.15\,K$ , then the new volume of the gas is:

$V_{2} = \left(\frac{T_{2}}{T_{1}}\right)\cdot V_{1}$

$V_{2} = \left(\frac{310.15\,K}{290.15\,K} \right)\cdot (8.5\,L)$

$V_{2} = 9.086\,L$

The new volume of the gas is 9.086 liters.

7 0

3 years ago

#8 please explain if you can<br> thanks

pav-90 [236]

The answer is D because the air is made of nitrogen and oxygen. The reaction is endothermic.
Hope this helps you! :)

6 0

3 years ago

olga2289 [7]

What does matter mean?

Object which has mass and occupies space

What does atom mean?

The smallest particle of a chemical element which is made mainly by 3 sub-atomic particles called Protons,Electrons and Neutrons.

What does molecule mean?

A small group of atoms bonded together.

8 0

4 years ago

Read 2 more answers

PLEASE HELP QUICK AS POSSIBLE!!!!

GalinKa [24]

Answer:

4180J

Explanation:

(25.0g)(4.184J/g°C)(75°C-35.0°C)

(25.0g)(40.0°C)(4.184J/g°C)

(1.00*10³g°C)(4.184J/g°C) = 4184J

use sig figs:

4180J

8 0

3 years ago