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I am Lyosha [343]
3 years ago
9

Conservation of Mass means:

Chemistry
2 answers:
g100num [7]3 years ago
8 0
Idk sorry !!‍♀️.......
Anarel [89]3 years ago
3 0

Answer:

Conservation of mass mean mass cannot be created nor destroyed

Explanation:

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Trichloroacetic acid (HC2Cl3O2) is a corrosive acid that is used to precipitate proteins. The pH of a 0.072 M solution of trichl
Archy [21]

Answer:

Explanation:

HCl is strong acid, hence 0.04M of acid

= 0.057 M of H+

pH = -log [H+]

= -log [0.057]

= 1.244

Let the dissociation of trichloroacetic acid be:

HClO4 --> H^+ + ClO4^-

HA --> H+ + A-

0.072 - x x x

[H+] = 0.057 M

[HA] = 0.072 - 0.057

= 0.015 M

[H+] = [A-] = 0.057

Ka = [H+][A-]/[HA]

= (0.057^2)/(0.015)

= 0.217

= 0.22.

5 0
3 years ago
What gas in the air is used by plants to make their own food? (2 points)
Varvara68 [4.7K]

Answer:

Carbon Dioxide

Explanation:

Carbon dioxide gets turned into oxygen

5 0
3 years ago
Read 2 more answers
1. What is an isomer? How many possible isomers of hexane are there? What are the structural differences between these isomers?
UNO [17]
When two compounds have same molecular formula but different structural formula, they are said to be isomers of each other and this phenomenon is called as isomerism. 

Hexane has six isomers.

The isomers of hexane have a difference in their structure due to parent chain length (chain isomerism). They are also differentiated on the basis of straight chain as in n-hexane and branched chain as in remaining five. Structures along with names are shown below.

8 0
4 years ago
Which shows the general structure of a carboxylic acid
taurus [48]

Answer:b

Explanation:

I just did it

3 0
3 years ago
Which statement is true because of newtons second law ?
katrin2010 [14]
Newton's second law, by definition, states that, <span> The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. Therefore, based on the given options above, the correct answer would be option D: </span><span>when the net force on an object decreases, the objects acceleration decreases.</span>
7 0
3 years ago
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