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Alchen [17]
2 years ago
8

SOMEONE HELP ME PLEASE I’LL GIVE BRAINLY

Chemistry
1 answer:
miss Akunina [59]2 years ago
7 0

Answer:

i think that describes cohesion or hydrolysis

Explanation:

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Physical or chemical ?
Artist 52 [7]

Answer:

P,C,P,C,P,C,P,P,C,P

Explanation:

7 0
3 years ago
Explain how electron microscopes work and why some scientists might prefer to use electron microscopes instead of light microsco
WINSTONCH [101]

Answer:

Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.

Explanation:

8 0
3 years ago
Which of the following is the correct set-up for the problem: How many grams of water will be produced from 3.2 moles of oxygen
suter [353]

Option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

<h3>Reaction between oxygen and ethene</h3>

Ethene (C2H4) burns in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O) along with the evolution of heat and light.

C₂H₄  + 3O₂   ----- > 2CO₂ + 2H₂O

from the equation above;

3 moles of O₂ ---------> 2(18 g) of water

3.5 moles of O₂ ----------> x

x = 3.2 \times [\frac{2 \ moles \ H_2O}{3 \ moles \ O_2}  ] \times[ \frac{18.02 \ g \ H_2O}{1 \ mole \ H_2O} ]

Thus, option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

Learn more about reaction of ethene here: brainly.com/question/4282233

#SPJ1

6 0
1 year ago
Convert a pressure of 0.0248 mm Hg to the equivalent pressure in pascals (Pa). How did you get your answer ?
Rudik [331]
Hope this helps :) remember your conversions and just practice it's fairly easy:)

5 0
2 years ago
Helppppppppppppppppppp
Lisa [10]

Answer:

I I'm pretty sure it's B I hope this helps

3 0
2 years ago
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