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kondaur [170]
3 years ago
6

The image shows the street lights powered by its solar panels.which sequence shows the energy transformations taking place in th

ese these lights?
Chemistry
1 answer:
mars1129 [50]3 years ago
7 0

Answer:

theres no pic

Explanation:

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Determine the spec gravity of 500 mL alcohol if the density is 0.79g/ml
slava [35]

Answer:

S.G = 0.79.

Explanation:

Hello there!

In this case, according to the given information in the problem, it turns out possible for us to calculate the specific gravity of this alcohol by simply dividing its density, 0.79 g/mL by that of the water, 1 g/mL just as a reference for us to work with:

S.G=\frac{\rho _{alc}}{\rho _w}

Thus, we plug in the densities to obtain:

S.G=\frac{0.79g/mL}{1g/mL}\\\\S.G=0.79

Which is dimensionless as g/mL is cancelled out due to its presence on both top and bottom of the previous formula.

Regards!

8 0
3 years ago
You place a carrot in salt water for 24 hours. What do you observe about the carrot at the end of that time? Choose the two corr
natka813 [3]

Answer:

A & E

Explanation:

Salt water is a hypertonic solution, meaning it extracts water from whatever is placed in it. When a carrot loses water, it will most likely shrivel up and become limp.

8 0
3 years ago
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Approximately what percentage of a human's DNA is used for coding Information for the synthesis of proteins?
skelet666 [1.2K]
I’m pretty sure it is 25 % :))
4 0
3 years ago
Using Gizmo ,describe the main use for each fuel Coal: Petroleum: In each case, what is the end product of burning the fossil fu
lana [24]

Answer:

See explanation

Explanation:

Coal is primarily used for electricity generation. The burning of coal leads to emission of gases such as oxides of carbon, oxides of sulphur, oxides of nitrogen and water vapour. All these go straight into the atmosphere.

Petroleum is primarily used as transportation fuels. The burning of petroleum oils mostly leads to the emission of oxides of carbon and sulphur together with water vapour into the atmosphere.

6 0
3 years ago
How many stereoisomers are possible for 1 2-dichlorocyclopentane?
slega [8]
<span>There are only three stereoisomers of 1,2-dimethylcyclopentane. As there are only two chiral carbons, so the maximum number of stereoisomers is 4, but two are the same meso-compound which means that there are only 3.</span>
5 0
2 years ago
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