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Paraphin [41]
2 years ago
8

No FILES PLZZ

Chemistry
2 answers:
Bumek [7]2 years ago
5 0

Answer:

B.

Converted to renewable ones

exhausted or depleted

Gelneren [198K]2 years ago
5 0
B converted to renewable ones
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Which is a practical application of boiling-point elevation?
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Boiling-point is the point of a pure liquid matter starts to evaporate and change into gaseous phase. It is where the set of conditions such as the pressure and temperature enough to do so. Boiling-point elevation, on the other hand, is the phenomenon of which the boiling point of a pure liquid matter is elevated because of the dissolved substances. A great example would be the boiling point of a distilled water (pure water) which is lesser than the boiling point of a sea water because of the dissolved salts. A pure water boils at 100°C at atmospheric pressure while a salt water boils at higher temperature than 100°C at the same pressure. Thus, the answer is D.
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Placing a sample of iron (II) oxide into a graduated cylinder makes the water volume increase 12.0 mL. The weight of the sample
vivado [14]

Answer:6.38

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4 0
3 years ago
Help me it’s science
Nezavi [6.7K]
Bb
because B is dominant
4 0
3 years ago
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Imagine that you are playing a game of Clue in which Mrs. White is killed in the conservatory. You have a device in each room to
myrzilka [38]

Answer:

  • <u><em>Mr. Plum</em></u><em> killed Mrs. White.</em>

Explanation:

<u>1) Wavelengths for the different light colors (visible light) and related character:</u>

Color  Wavelength          related character

Violet  380–450 nm  ← Professr Plum

Blue  450–485 nm  ← Mrs. Peacock

Cyan  485–500 nm  

Green  500–565 nm  ← Mr. Green

Yellow  565–590 nm  ← Colonel Mustard

Orange  590–625 nm  

Red  625–740 nm  ← Miss Scarlet

<u>2) At the time of the murder, the spectrometers recorded:</u>

a) In the <em>dining room</em>: <em>520 nm</em>.

520 nm is in the range 500 - 565 nm, which is the range for green color, so <em>Mr. Green</em> was in the dining room and is no more a suspect.

b)<em> In the lounge and study: lower frequencie</em>s.

Since frequency and wavelength are inversely related, the wavelengths in the longe and study have to be of <em>yellow and red</em> colors, which are the only two with longer wavelengths from the option given.

Then, <em>Mustard and Scarlet</em> are not criminal.

c)<em> In the library: the second shortest wavelength of the five recorded. </em>

<em />

The second shortest wavelength, as per the table, is that of <em>blue </em>color. So, <em>Mrs. Peacock</em> is not the killer.

The only left option is violet, so Mr. Plum is the only who could be at the conservatory and he is the killer.

7 0
3 years ago
Plz help 10 points!!!!!!
Alex_Xolod [135]

Answer:

Where are all my chemistry geniuses at??

1. 2HG + O2 = 2HGO

2. Ca + 2H2O = Ca(OH)2 + H2

3. H2 + Cl2 = 2HCl

4. Fe + S = FeS

Explanation:

Hope it helped!

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