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Mariulka [41]
3 years ago
11

Which of these examples is a water-conservation technique that also reduces water pollution

Chemistry
2 answers:
swat323 years ago
7 0
The answer would be C. if factories reused water it would help conserve more water. also it would stop more from getting polluted 
atroni [7]3 years ago
3 0
The only example among these that is a water-conservation technique that also reduces water pollution is c) factories reusing cooling water instead of returning it to a river. 
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To what volume should 25ml of 15m nitric acid be diluted to prepare a 3m solution
Maurinko [17]

We can use the dilution formula to find the volume of the diluted solution to be prepared

c1v1 = c2v2

Where c1 is concentration and v1 is volume of the concentrated solution

And c2 is concentration and v2 is volume of the diluted solution to be prepared

Substituting the values in the equation

15 M x 25 mL = 3 M x v2

v2 = 125 mL

The 25 mL concentrated solution should be diluted with distilled water upto 125 mL to make a 3 M solution

6 0
3 years ago
SOMEONE HELP ASAP I NEED TO FIND AN ANSWER
astra-53 [7]

Answer:

A) Q + XZ = X + QZ is a single displacement reaction.

B) Q + Z = QZ is a synthesis reaction

C) QT = Q + T is a decomposition reaction

D) QT + XZ = QZ + XT is double replacement reaction.

Explanation:

A) Q + XZ = X + QZ

This is a single displacement reaction because it is one in which one element is substituted for another one in a compound. In this case X is substituted for Q.

B) Q + Z = QZ

This is a synthesis reaction because Q and z combine to form a single product QZ.

C) QT = Q + T

This is a decomposition reaction because the compound QT breaks down to form 2 simpler substances Q and T.

D) QT + XZ = QZ + XT

Thus is a double replacement reaction because QT and XZ have exchanged cations to form new compounds QZ and XT

6 0
2 years ago
If an isotope has an atomic number of 8 and a mass number of 18 how many neutrons
Artemon [7]
It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.
6 0
3 years ago
Why is it necessary to obtain 25 to 50 hairs from this woman?
Vedmedyk [2.9K]

To get the correct data

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Rank the following compounds from highest boiling to lowest boiling. To rank items as equivalent, overlap them.
Olegator [25]

1-pentanol > 1-butanol > 1-chlorobutane > pentane

Explanation:

You my find in the attached picture the structures of the compounds, names and also the variation of their boiling points.

Alcohols have higher boiling points because they form hydrogen bonds between the molecules.

Learn more about:

boiling points in organic compounds

brainly.com/question/2153588

#learnwithBrainly

7 0
2 years ago
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