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Angelina_Jolie [31]
3 years ago
12

Any four limitations of chemical reaction​

Chemistry
1 answer:
strojnjashka [21]3 years ago
7 0

Answer:

1.It does not tells us whether a reaction proceeded completely or not.Like in some reactions some of the reactants remains unreacted and the chemical equation of this reaction doesn't tells us about it.

2.Chemical equations does not tells us/indicate the speed of reaction.I doesn't tell us how fast or how slow the reaction was.

3.It does not tells us about the physical changes like colour,state.So we have to mention it seperately.

4.It does not tell us about through which method the reaction proceeded.

5.Also in chemical reactions many intermediates are formed for a small amount of time.These are not expressed in a chemical equation...

PLZ RATE IT AND MARK AS BRAINLIEST....  

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3 years ago
carbon dioxide at 25 degrees celsius and 101.3 kpa has a density of 1.799 kg/m^3 determine gas constant
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Answer:

Explanation:

Temperature of gas in absolute scale T = 25 + 273 = 298 .

pressure of gas P = 1.013 x 10⁵ N / m²

density D = 1.799 kg / m³

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From gas formula

PV / T = n R Where P is pressure , V is volume and T is absolute temperature , n is no of moles

P / T = n R / V

P / T = m R /M V where m is mass of gas and M is molecular weight .

m / V = D ( density )

P / T = DR/ M  

PM / DT = R

Putting the values

1.013 x 10⁵ x 44  /  (1799 x 298)

R = 8.314.09 J / K mole

5 0
3 years ago
Gases are highly compressible due to
nexus9112 [7]

Answer:

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3 0
4 years ago
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What is the polarity of carbon carbon bonds in alkanes?
Andrews [41]

Answer:

Alkanes contain only carbon-carbon and carbon-hydrogen bonds. Because carbon and hydrogen have similar electronegativity values, the C—H bonds are essentially nonpolar. Thus, alkanes are nonpolar, and they interact only by weak London forces.

Explanation:

Alkanes contain only carbon-carbon and carbon-hydrogen bonds. Because carbon and hydrogen have similar electronegativity values, the C—H bonds are essentially nonpolar. Thus, alkanes are nonpolar, and they interact only by weak London forces.

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Answer:

No.

Explanation:

The balanced equation is,

2HCl + Na2S -> H2S + <u>2</u>NaCl

7 0
3 years ago
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