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DedPeter [7]
3 years ago
10

Na CN + HCl ->?? Thanks for your time ​

Chemistry
1 answer:
Tom [10]3 years ago
4 0

Sodium chloride and prussic acid are formed

NaCN+HCl→NaCl+HCN

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Difference between Element and Compound:<br> difference between Plant cell and animal cell
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Answer:

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3 years ago
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could you please explain operations with scientific notation using this example. 5 × 10³ + 4.3 × 10⁴ i dont understand how to so
TEA [102]

Explanation:

The scientific notation:

a\times10^k

where

1\leq a and k is integer.

We have the example:

(5\times10^3)+(4.3\times10^4)

You can write the numbers in a "normal" form:

5\times10^3=5\times1000=5000\\\\4.3\times10^4=4.3\times10000=43000

Make the sum:

5000+43000=48000

And next write it in the scientific notation:

48000=4\underbrace{8000}_{\leftarrow4}=4.8000\times10000=4.8\times10^4

<h3>Other method:</h3>

You can add numbers in scientific notation if the power of tens in both number is the same.

Therefore you must convert the first number:

5\times10^3=0.5\times10\times10^3=0.5\times10^4

Now, you can make the sum:

(5\times10^3)+(4.3\times10^4)=0.5\times10^4+4.3\times10^4=(0.5+4.3)\times10^4=4.8\times10^4

4 0
3 years ago
15. You have a solution of .835mol of NaCl in 2.5L of solution, what is the molarity?
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Answer: 0.334mol/L

Explanation:

M=\frac{mol}{L}

M=\frac{0.835mol}{2.5L} \\M=0.334mol/L

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Answer: a.Oxygen combines with carbon of simple sugar.

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8 0
4 years ago
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