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vredina [299]
3 years ago
6

Imagine that it is a sunny day and you are looking at a building that has solar panels on the roof. Which of the following state

ments correctly describes the way light is interacting with the solar panels?
Select all that apply.

A
The panels are reflecting nearly all of the light energy.

B
The panels are absorbing a lot of light energy.

C
The panels are transmitting most of the light energy.

D
The panels are reflecting some of the light energy.
Chemistry
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

||~~~~~~~~~~~~~Hello~~~~~~~~~~~~~~||

Your answer should be:

B. The panels are absorbing a lot of light energy.

Explanation:

Hope this helped!

<em>Brainliest would be appreciated!</em>

<h2><em>Have a blessed day! :D</em></h2>
uranmaximum [27]3 years ago
6 0

Answer:

the panel are transmitting most of the light energy

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Explain what happens when a cold air mass overtakes a warm air mass?
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A 25.00-mL aliquot of a nitric acid solution of unknown concentration is pipetted into a 125-mL Erlenmeyer flask and 2 drops of
Semenov [28]

Answer:

0.0611M of HNO3

Explanation:

<em>The concentration of the NaOH solution must be 0.1198M</em>

<em />

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That means the moles of NaOH used in the titration are equal to moles of HNO3.

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12.75mL = 0.01275L * (0.1198mol / L) = 0.0015274 moles NaOH = Moles HNO3.

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7 0
3 years ago
At constant pressure, which of these systems do work on the surroundings? A ( s ) + B ( s ) ⟶ C ( g ) A(s)+B(s)⟶C(g) 2 A ( g ) +
Tju [1.3M]

Correct question:

At constant pressure, which of these systems do work on the surroundings?

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

(c) A ( g ) + B ( g ) ⟶ C ( g )

(d) 2 A ( g ) + 2 B ( g ) ⟶ 3 C ( g )

Answer:

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

Explanation:

Work done by a system on the surroundings at a constant pressure is given as;

W = -PΔV

Where;

ΔV is gas expansion, that is final volume of the gas minus initial volume of the gas must be greater than zero.

Part (a)

A ( s ) + B ( s ) ⟶ C ( g )

ΔV = 1 - (0) = 1 (expansion)

Part (b)

2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

ΔV = 5 - ( 2+ 2) = 1 (expansion)

Part (c)

A ( g ) + B ( g ) ⟶ C ( g )

ΔV = 1 - ( 1 + 1) = -1 (compression)

Part (d)

2 A ( g ) + 2 B ( g ) ⟶ 3 C ( g )

ΔV = 3 - ( 4) = -1 (compression)

Thus, systems where there is gas expansion are in part (a) and part (b). The correct answers are:

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

4 0
3 years ago
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