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2 years ago

Ecological succession is

1 answer:

3 0

Ecological succession is the steady and gradual change in a species of a given area with respect to the changing environment. it is a predictable change and is an inevitable process of nature al all the biotic components have to keep up with the changes in our environment.

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Suppose you have 75 gas-phase molecules of methanol (CH3OH) at T = 470 K. These molecules are contained in a spherical container

Katarina [22]

Answer:

The average pressure in the container due to these 75 gas molecules is $P=9.72 \times 10^{-16} Pa$

Explanation:

Here Pressure in a container is given as

$P=\frac{1}{3} \rho$

Here

P is the pressure which is to be calculated

ρ is the density of the gas which is to be calculated as below

$\rho =\frac{mass}{Volume of container}$

Here

mass is to be calculated for 75 gas phase molecules as

$m=n_{molecules} \times \frac{1 mol}{6.022 \times 10^{23} molecules} \times \frac{32 g/mol}{1 mol}\\m=75 \times \frac{1 mol}{6.022 \times 10^{23} molecules} \times \frac{32 g/mol}{1 mol}\\m=3.98 \times 10^{-21} g$

Volume of container is 0.5 lts

So density is given as

$\rho =\frac{mass}{Volume of container}\\\rho =\frac{3.98 \times 10^{-21} \times 10^{-3} kg}{0.5 \times 10^{-3} m^3}\\\rho =7.97 \times 10^{-21}\, kg/m^3$

is the mean squared velocity which is given as

$=RMS^2$

Here RMS is the Root Mean Square speed given as 605 m/s so

$=RMS^2\\=(605)^2\\=366025$

Substituting the values in the equation and solving

$P=\frac{1}{3} \rho \\P=\frac{1}{3} \times 7.97 \times 10^{-21} \times 366025\\P=9.72 \times 10^{-16} Pa$

So the average pressure in the container due to these 75 gas molecules is $P=9.72 \times 10^{-16} Pa$

6 0

3 years ago

The diagram above shows the atomic emission line spectrum of hydrogen. The wavelength of each line is shown at the top of the li

Anni [7]

Hello there,

Your correct answer would be "<span>the energy of a photon".

Hope this helps.

~Hottwizzlers

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6 0

2 years ago

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Seasonal variation in Earth's climate are caused by

Ivahew [28]

B. Earth’s tilt

Earth’s tilt exposes different parts of the earth to varying degrees of sunlight throughout the year, causing seasons.

3 0

2 years ago

What does symbiosis mean in your words. science work

Nat2105 [25]

Answer:

the living together in more or less intimate association or close union of two dissimilar organisms (as in parasitism or commensalism) especially : mutualism.

Explanation:

hope this helps!

8 0

3 years ago

GIVING 25 POINTS PLUS BRAINLIEST FOR CORRECT ANSWERS!!!!

Airida [17]

Answer:

The answer to your question is:

Explanation:

e) 9.10 x 10³ + 2.2 x 10⁶ = 2.2091 x 10⁶

f) 1113.0 - 14.6 x 10² = -347 = -3.47 x 10²

g) 6.18 x 10⁻⁴⁵ + 4.72 x 10⁻⁴⁴ = 5.338 x 10⁻⁴⁴

h) 4.25 x 10⁻³ - 1.6 x 10⁻² = -0.01175 = -1.175 x 10 ⁻²

5.- Calculate ...

a) 2.63 x 10⁻⁴

b) 2.26 x 10¹³

c) 1.97 x 10²

d) 1.65 x 10⁻²³

e) 2.5 x 10⁻⁸³

f) 1.61 x 10¹⁴

g) 2 x 10⁷⁹

h) 2.37 x 10⁻⁷

7 0

2 years ago

Read 2 more answers