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3 years ago

What is removed when the water is filtered

Chemistry

2 answers:

Alexus [3.1K]3 years ago

3 0

Answer:

Filtration is the only water purification process that will remove chlorine and chlorine byproducts from water. It is also the only water purification process that reliably and completely removes harmful pesticides from water. Single media filters will not remove mineral compounds from water.

Daniel [21]3 years ago

3 0

Answer:

I think its hydrogen or oxygen

Explanation:

Im honestly just guessing but I think thats it....

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Which of the following terms describes the motion of particles during the transmission of wave energy? A. non-recurrent B. arbit

Vlad [161]

The term that describes the motion of particles during the transmission of wave energy would be C. periodic.
Hope this helps!

5 0

4 years ago

Read 2 more answers

Lead(II) nitrate and ammonium iodide react to form lead(II) iodide and ammonium nitrate according to the reaction Pb ( NO 3 ) 2

nikklg [1K]

Answer : The volume of $NH_4I$ solution required is, 2.93 L

The number of moles of $PbI_2$ formed from the reaction is, 0.662 moles.

Explanation :

First we have to calculate the initial moles of $Pb(NO_3)_2$ .

$\text{Moles of }Pb(NO_3)_2=\text{Concentration of }Pb(NO_3)_2\times \text{Volume of solution}$

$\text{Moles of }Pb(NO_3)_2=0.700M\times 0.945L=0.662mol$

Now we have to calculate the moles of $NH_4I$

The balanced chemical reaction is:

$Pb(NO_3)_2(aq)+2NH_4I(aq)\rightarrow PbI_2(s)+2NH_4NO_3(aq)$

From the balanced chemical reaction we conclude that,

As, 1 mole of $Pb(NO_3)_2$ react with 2 moles of $NH_4I$

So, 0.662 mole of $Pb(NO_3)_2$ react with $0.662\times 2=1.32$ moles of $NH_4I$

Now we have to calculate the volume of $NH_4I$

$\text{Volume of }NH_4I=\frac{\text{Moles of }NH_4I}{\text{Concentration of }NH_4I}$

$\text{Volume of }NH_4I=\frac{1.32mol}{0.450mol/L}=2.93L$

Now we have to calculate the moles of $PbI_2$

From the balanced chemical reaction we conclude that,

As, 1 mole of $Pb(NO_3)_2$ react to give 1 moles of $PbI_2$

So, 0.662 mole of $Pb(NO_3)_2$ react to give 0.662 moles of $PbI_2$

Thus, the number of moles of $PbI_2$ formed from the reaction is, 0.662 moles.

7 0

3 years ago

Of the bonds listed below the weakest bond is _______ and the strongest is ________. A strong bond is a (stable / unstable) bond

ra1l [238]

Based on the data given of the bonds listed below, the weakest bond is C-H and the strongest bond is C ≡ C.

A strong bond is a stable bond.

<h3>Which of the bonds listed is the weakest and which is the strongest?</h3>

The strength of a bond is proportional to the amount of energy required to break or form the bond.

A weak bond will require less energy to form than a strong bond.

A weak bond is unstable while a strong bond is stable.

Data provided:

839 kJ/mol C ≡ C

495 kJ/mo O = O

413 kJ/mo C—H

From the data given of the bonds listed below, the weakest bond is C-H and the strongest bond is C ≡ C.

A strong bond is a stable bond.

Learn more about energy of bonds at: brainly.com/question/25086481

7 0

3 years ago

Fill in the coefficients that will balance the following reaction:

Alex17521 [72]

Answer:

To balance a reaction, the amount of reactants must be equal to the amount of products, as stated by the Law of Conservation of Matter. It may help you to keep track of the number of each element in a list as you try to balance. It's not able to be balanced.

3 0

3 years ago

Read 2 more answers

Copper reacts with nitric acid releasing nitrogen dioxide gas. Why is this answer<br>right?

Contact [7]

Explanation:

Nitric acid reacts with copper according to the reaction: ... 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor.

4 0

4 years ago