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max2010maxim [7]
3 years ago
5

Which statement about cellular respiration in plants and animals is true?

Chemistry
1 answer:
grigory [225]3 years ago
4 0

Answer:

Both plants and animals release energy from glucose in cellular respiration.

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Recently you viewed a movie in which a spaceship blows up outside a space station. The people inside the space station jump with
Vlad1618 [11]

Answer:

Sound needs a medium through which to travel.

Explanation:

In space there is no air or medium. Sound waves  need medium to travel. It cannot travel through vacuum. Sounds waves are mechanical waves unlike electromagnetic waves. Electromagnetic waves can travel through vacuum. But mechanical waves such as sound waves needs a medium to propagate the energy. So it is very unlikely that people inside the space station can hear the explosion that occurs in space outside the space station.

7 0
4 years ago
Select the answer which shows the correct order, slowest to fastest, of the relative rate of diffusion of the gases.
IrinaK [193]

Diffusion is the process of a substance spreading out to evenly fill its container or environment. Rate of diffusion of a gas is inversely proportional to the molar mass of the gas.

Rate of diffusion \propto \frac{1}{Molar mass}

Lighter(lower) the molar mass of the gas , faster will be its rate of diffusion and heavier (higher) the molar mass of the gas , slower will be its rate of diffusion.

We have to arrange the given gases from slowest rate of diffusion to fastest rate of diffusion that means we need to arrange gases from higher molar mass to lower molar mass.

Molar mass of given gases are :

Cl = 35.5 g/mol

Xe = 131.29 g/mol

He = 4.00 g/mol

N = 14.00 g/mol

So correct order for slowest rate of diffusion (highest molar mass) to fastest rate of diffusion (lowest molar mass) is :

Xe , Cl , N , He

Xe having the highest molar mass will have the slowest rate of diffusion and He with lowest molar mass will have the fastest rate of diffusion, so option 'c' is correct.

Note : Slowest rate of diffusion = High Molar Mass

Fastest rate of diffusion = Low Molar Mass



7 0
4 years ago
In the combined gas law, if the pressure in the system is increased, what happens to the volume if temperature remains constant?
ANEK [815]
Boyle's law<span> states that, at a </span>constant temperature<span>, the </span>volume of<span> a given mass </span>of gas<span> varies inversely with </span>pressure<span>. ... Thus Charles's </span>law<span> states that at a </span>constant pressure<span>, the </span>volume of<span> a given mass </span>of gas<span> is directly proportional to its (absolute)</span>temperature<span>.</span>
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3 years ago
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The structure and history of Earth and what forces formed it. The investigation of earth in the context of the solar system and universe
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3 years ago
The diagram below shows different layers of sedimentary rocks.
timofeeve [1]
D. layer B is younger than layer G.
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3 years ago
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