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3 years ago

If the sun is out all day, why is it not warm during an Arctic summer?

Chemistry

2 answers:

USPshnik [31]3 years ago

6 0

Answer:

Most all of the visible light striking the snow or ice surface is reflected back without any particular preference for a single color. Most natural materials absorb some sunlight, which gives them their color. Clean snow, however, reflects most of the sunlight, creating a white appearance.

[ I commented on the other answer with the same little add-on, then I realised I could add an answer. Even though this is four days ago, meaning the person who asked the question doesn't need another answer, I hope to give someone else who might be looking at this some insight. ]

boyakko [2]3 years ago

3 0

Answer:

The primary reason is that the sun is low on the horizon all day. Thus, solar energy needs to pass through more atmosphere to get to the ground.

Explanation:

Hope this helps. :)

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Predict the bond angles for each of the following labeled bonds.

boyakko [2]

The bond angles a and b are 120° respectively. The bond angle c is 111.4° .while the bond angle d is 120°. The bond angles e and f are 120° respectively.

In the carbonate ion, all the bond angles and bond lengths are equal hence three equivalent resonance structures can be drawn for the ion. All the bond angles, ( a and b) in carbonate ion all have bond angle of 120°.

The bond angle marked c in OCCl2 has a bond angle 111.4°, the bond angle marked d in the compound has the bond angle, 120°.

There are three bond angles present in the nitrate (NO3-) ion. Three resonance structures contribute to this bond. Based on these structures, the bond angles e and f in the molecule is 120°.

Learn more: brainly.com/question/20339399

3 0

3 years ago

Why would tert-amyl chloride turn acidic after several weeks.

koban [17]

The acidic level is given by the amount of hydronium in a specific solution.

Therefore, the tert-amyl chloride would turn acidic because the quantity of hydronium will increase, which decreases the pH level.

8 0

2 years ago

For the reaction

sp2606 [1]

Answer:

$n_{H_2}^{equilibrium}=0.393mol$

Explanation:

Hello,

In this case, given the amounts of water and carbon dioxide we should invert the given reaction as hydrogen will be producted rather than consumed:

$H_2O(g) + CO(g)\rightleftharpoons H_2(g) + CO_2(g)$

Consequently, the equilibrium constant is also inverted:

$Kc'=\frac{1}{Kc}=\frac{1}{0.534} =1.87$

In such a way, we can now propose the law of mass action:

$Kc'=\frac{[H_2][CO_2]}{[H_2O][CO]}$

And we can express it in terms of the initial concentrations of the reactants and the change $x$ due to the reaction extent:

$Kc'=\frac{(x)(x)}{([H_2O]_0-x)([CO]_0-x)}=1.87$

Thus, we compute the initial concentration which are same, since equal amount of moles are given:

$[H_2O]_0=[CO]_0=\frac{0.680mol}{70.0L}=0.0097M$

Hence, solving for $x$ by using the quardratic equation or solver, we obtain:

$x_1=0.00561M\\x_2=0.0361M$

For which the correct value is 0.00561M since the other one will produce negative concentrations of water and carbon monoxide at equilibrium. Therefore, the number of moles of hydrogen at equilibrium for the same 70.0-L container turn out:

$n_{H_2}^{equilibrium}=0.00561mol/L*70.0L=0.393mol$

Best regards.

3 0

3 years ago

Why does knowing the mass of an object not help you identify what material the object is made from?

jeka57 [31]

Because mass is not always the same for objects made from the same material. Just because an object has the same mass as another doesn’t mean they are the same material.

4 0

4 years ago

Which factors cause a rising tide

mestny [16]

High tides and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.

8 0

3 years ago

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