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3 years ago

What is responsible for the blue sky?

2 answers:

8 0

Answer: The light of the sun reflecting on the ocean, which reflects on the atmosphere.

This is why at night (when there is no light) the sky appears clear and not blue

andreev551 [17]3 years ago

7 0

Answer:

well for me it's

Explanation:

The reflection of the seas

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A Helium gas in a tube with a volume of 9.583 L under pressure of 4.972 atm at 31.8 c

andre [41]

1.905 moles of Helium gas are in the tube. Hence, option A is correct.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Calculate the moles of the gas using the gas law,

PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.

Given data:

P= 4.972 atm

V= 9.583 L

n=?

R= $0.082057338 \;L \;atm \;K^{-1}mol^{-1}$

T=31.8 +273= 304.8 K

Putting value in the given equation:

$\frac{PV}{RT}$ =n

n= $\frac{4.972 \;atm\; X \;9.583 \;L}{0.082057338 \;L \;atm \;K^{-1}mol^{-1} X 304.8}$

Moles = 1.905 moles

1.905 moles of Helium gas are in the tube. Hence, option A is correct.

Learn more about the ideal gas here:

brainly.com/question/27691721

#SPJ1

3 0

2 years ago

Yo fm on ig chs_luucy. ill give u brainleist .

xz_007 [3.2K]

Alright bet! Say less

7 0

3 years ago

Read 2 more answers

* of course giving stars & thanks no need for and explanation *

zhuklara [117]

9.c
10.c
11.a
12.d. hopes this help u

5 0

3 years ago

Which of the following would have a fixed shape and volume?

Masja [62]

Answer is: solid wood.

There are five fundamental states of matter (gas, liquid, solid, plasma and Bose–Einstein condensate).
In solid, molecules are closely packed, stiff and do not changes of shape or volume. Solid object (in this example wood) does not take on the shape of its container.
Liquids (in this example water) have definite volume, but no fixed shape.
Gases (in this example nitrogen and neeon) not have definite volume and fixed shape, it depends on its container.

8 0

4 years ago

In which of the ions do all x-o bonds (x indicates the central atom) have the same length?

Radda [10]

Answer: All of the ions do all x-o bonds (x indicates the central atom) have the same length.

7 0

4 years ago

What is responsible for the blue sky?​​

What is responsible for the blue sky?