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jolli1 [7]
3 years ago
13

a. Ravi started colouring the fibres just after shearing. What is wrong in his process? Justify your ans

Chemistry
1 answer:
VARVARA [1.3K]3 years ago
5 0

Answer:

mxfulxgiisditpdipstydlltdistpssipisup

Explanation:

gkxxlutdussrodoitde peto do or products often o lord ofcpo

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The specific heat values of most _____ tend to be quite low
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This answer would be heat capacity
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3 years ago
Zinc has an average atomic mass of 65.37 amu. Jack is trying to figure out what the most abundant isotope of zinc is, but he doe
Mekhanik [1.2K]

Zinc's most abundant isotope : Zinc-65

<h3>Further explanation </h3>

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

In determining the mass of an atom, as a standard is the mass of 1 carbon-12 atom whose mass is 12 amu

Mass atom X = mass isotope 1 . % + mass isotope 2.%

To decide zinc's most abundant isotope, then choose the closest mass number

or we can check the difference with the average mass number, if the value is the smallest, then that isotope has the largest abundant

  • Zinc-64

\tt \dfrac{65.37-64}{65.37}=0.021

  • Zinc-65

\tt \dfrac{65.37-65}{65.37}=0.005

  • Zinc-68

\tt \dfrac{68-65.37}{65.37}=0.04

  • Zinc-66

\tt \dfrac{66-65.37}{65.37}=0.009

The closest = Zinc-65(the smallest)

5 0
3 years ago
What is the mole ratio of N2 to NO2 in the question ... N2 + 2O2-&gt; 2NO2
GREYUIT [131]
The reaction equation is already balanced. So the mole ration of reactants and production is the ratio of the coefficients. So the mole ratio of N2 to NO2 is 1:2.
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3 years ago
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