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3 years ago

Which picture is showing the correct direction of the wind?

Chemistry

1 answer:

Dafna11 [192]3 years ago

4 0

Second imagine is correct

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The two isotopes of chlorine are LaTeX: \begin{matrix}35\\17\end{matrix}Cl35 17 C l and LaTeX: \begin{matrix}37\\17\end{matrix}C

Kay [80]

Answer: The percentage abundance of $_{17}^{35}\textrm{Cl}$ and $_{17}^{37}\textrm{Cl}$ isotopes are 77.5% and 22.5% respectively.

Explanation:

Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$ .....(1)

Let the fractional abundance of $_{17}^{35}\textrm{Cl}$ isotope be 'x'. So, fractional abundance of $_{17}^{37}\textrm{Cl}$ isotope will be '1 - x'

For $_{17}^{35}\textrm{Cl}$ isotope:

Mass of $_{17}^{35}\textrm{Cl}$ isotope = 35 amu

Fractional abundance of $_{17}^{35}\textrm{Cl}$ isotope = x

For $_{17}^{37}\textrm{Cl}$ isotope:

Mass of $_{17}^{37}\textrm{Cl}$ isotope = 37 amu

Fractional abundance of $_{17}^{37}\textrm{Cl}$ isotope = 1 - x

Average atomic mass of chlorine = 35.45 amu

Putting values in equation 1, we get:

$35.45=[(35\times x)+(37\times (1-x))]\\\\x=0.775$

Percentage abundance of $_{17}^{35}\textrm{Cl}$ isotope = $0.775\times 100=77.5\%$

Percentage abundance of $_{17}^{37}\textrm{Cl}$ isotope = $(1-0.775)=0.225\times 100=22.5\%$

Hence, the percentage abundance of $_{17}^{35}\textrm{Cl}$ and $_{17}^{37}\textrm{Cl}$ isotopes are 77.5% and 22.5% respectively.

6 0

3 years ago

How many gram of gaseous carbon dioxide can be absorbed or reacted by 2kg of lithium hydroxide?

Greeley [361]

Answer:

shuuuuuuuuuuuuuuuuuuuuuuush

Explanation:

shush suuush shuuush

5 0

3 years ago

Question # 5

den301095 [7]

Answer:

4) Transport Oxygen

Explanation:

The Nervous System sends messages throughout our body, White blood cells protect our body from harmful diseases and Bacteria, Muscles support or bone structure, and red blood cells carry oxygen throughout our entire body.

Hope this helps!

6 0

3 years ago

Read 2 more answers

NaCl is classified as... An element An acid A mixture A compound

Rufina [12.5K]

A compound. Specifically an ionic compound

5 0

2 years ago

Read 2 more answers

Can i remove the carbon from sugar

soldi70 [24.7K]

Answer:

The answer to the question is yes

5 0

3 years ago