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Ainat [17]
3 years ago
8

What is one chemical property of water?

Chemistry
2 answers:
kari74 [83]3 years ago
5 0

Answer: It’s called H20 ,clear, colorless, odorless, tasteless liquid that freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade. ...

Water is an oxygen hydride consisting of an oxygen atom that is covalently bonded to two hydrogen atoms.

Hope it’s help

Setler [38]3 years ago
3 0
One chemical property of water is that it can melt many substances.
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ioda

Answer:

300 mM

Explanation:

In order to solve this problem we need to calculate the line of best fit for those experimental values. The absorbance values go in the Y-axis while the concentration goes in the X-axis. We can calculate the linear fit using Microsoft Excel using the LINEST function (alternatively you can write the Y data in one column and X data in another one, then use that data to create a dispersion graph and finally add the line of best fit and its formula).

The <u>formula for the line of best fit for this set of data is</u>:

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7 0
3 years ago
a strip of impure copper is given to you. how will you purify it by using chemical effects of electric current ?
Oksi-84 [34.3K]

This can be done through electrolysis. Electrolysis is the separation of a substance  into two or more substances that may differ from each other and from the original substance by passing an electric current through a solution that contains ions.

In the case of copper,  we use a  copper (II) sulphate  solution which we put in a large beaker. The impure copper will be used as the positive electrode (anode) and for the negative electrode (cathode)  will be a bar of pure copper.

When the electric current is switched on, the bar of pure copper which is the cathode  increases greatly in size as copper ions leave the anode of impure copper and attach to  the cathode.  The anode becomes smaller and smaller as it loses copper ions until all that is left of it is impurities in form of a sludge beneath it.


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A school has 8 period in a day such the each periods is of 35 minutes.lf the number of period is reduced to 7, then how long wou
scZoUnD [109]

Answer:

45 minutes about

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Answer:

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