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goblinko [34]
3 years ago
8

Explain how knowledge of acids/bases and neutralization can apply to the treatment of soil acidification

Chemistry
1 answer:
sammy [17]3 years ago
6 0

Explanation:

If soil consists of more acidic nature then, it does not allow plant growth.

In that situation, treat the soil with (anti-acid which is nothing but) base.

When an acid reacts with a base, a neutralization reaction takes place and salt and water are formed in this reaction.

The equation is shown below:

acid+base-> salt +water

For example, if the soil has more sulphuric acid traces then, it should be treated with lime.

H_2SO_4(aq)+Ca(OH)_2(aq)->CaSO_4(aq)+2H_2O(l)

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Write this number in standard notation.<br> 1.986 x 10negative exponent 6 or 1.986 x 10^6
Brums [2.3K]

Answer:

0.000001986

Explanation:

We have the number 1.986*10^{-6}. Standard notation would basically be this number without the 10^{-6} part.

To get rid of this part, we need to move the decimal point 6 places to the left (we go left because it's negative 6, indicating division).

So, when we move the decimal point 6 places to the left, the resulting number is: 0.000001986, with 5 zeros after the decimal point before a nonzero number.

Thus, the answer is 0.000001986.

7 0
3 years ago
Sort the following analytical techniques as either classical methods or instrumental methods.
Aleonysh [2.5K]

Answer:

Instrumental methods

surface analysis

high performance liquid chromatography

atomic spectroscopy

potentiometry

Classical methods

precipitation titration

gravimetric analysis

Explanation:

Instrumental methods of analysis are those analytical methods in which the responsibility of detection has been removed from human beings and placed on automated instruments while classical methods are those analytical methods in which the responsibility of detection remains the responsibility of human beings.

Many instrumental methods such as HPLC rely on computer screens as readout devices.

6 0
3 years ago
Which probing question lies within the scope of physics?
Travka [436]

Question A, B, D belongs to scope of physics such as in question A sound under the water travels in form of current and thus these currents are quite lower in deep water where the aquatic animal find stability in comparison to shallow water or near to the water surface where the current is higher.

In question B, speed of sound under the water can be caliberated by the concentration of the ions present in the water and thus higher the concentration greater will the speed of sound.

In C, the current of ocean is higher in summer due to the higher temperature and thus Question A, B, D belongs to scope of physics only C belongs to chemistry asking about the mixing of wastewater in river to increase acidity all relates to pH of water.


4 0
3 years ago
Which choice below represents a negative impact that chemistry has on society?
DanielleElmas [232]

Answer:

The answer is C

Explanation:

Your answer is C because car pollutants going into the air isn't good at all

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2 years ago
What happens when an electric field is applied to a very polar molecule?
Mekhanik [1.2K]
The polar molecules aligned due to the non-zero net electric force that creates a torque. Although alignment may not be perfect.
7 0
3 years ago
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