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Maurinko [17]
3 years ago
15

Which is a drawback to using incineration to dispose of toxic materials?

Chemistry
2 answers:
bonufazy [111]3 years ago
6 0
Using incineration in the disposal of toxic materials would be harmful to every living organism near the incineration site. These chemicals could produce more harmful substances which are in gas phase and inhaled by the living organisms.
SOVA2 [1]3 years ago
6 0

Answer:

The incineration of toxic waste causes the release of toxic particles extremely harmful to living things.

Explanation:

Waste is a growing worldwide problem. Among the main factors contributing to the increase of this problem is the fact that the world population has already surpassed the 7 billion mark, that the use of polymers (plastics which are mostly not biodegradable) in packaging and other products. that are being discarded is increasing and public policies and the commitment of the majority of society to the reuse and recycling of many materials are lacking. In addition, we must not forget the problem of toxic waste disposal, which also generates many problems.

In order to reduce the amount of waste in landfills and dumps, as well as to prevent stench and disease caused by pests such as rats and flies, incineration has long been practiced. Initially it consisted only of burning the waste in the open, but today there are more appropriate facilities called incinerators.

Thus, in the incineration, organic compounds present in the waste, such as wood, paper and plastics, are burned at high temperatures ranging from 800ºC to 1000ºC, being reduced to ashes, water vapors, carbon dioxide (CO2), as well as various polluting and toxic substances from the composition of the toxic or non-toxic waste that has been incinerated.

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Which term is used to describe the reactant that is used up completely and controls the amount of product that can be produced d
givi [52]

Answer: Option (c) is the correct answer.

Explanation:

A limiting reagent is defined as a reagent that completely gets consumed in a chemical reaction. A limiting reagent limits the formation of products.

For example, we have given 5 mol of A and the reaction is 2A + 4B \rightarrow 2AB

Whereas when 4 mol B will react with 2 mol of A. Hence, 8 mol of B will react with 4 mol A as follows.

                        \frac{2}{4} \times 8 = 4 mol

As, the given moles of A is more than the required moles. Thus, it is considered as an excess reagent.

Hence, B is a limiting reagent because it limits the formation of products.

Thus, we can conclude that limiting reactant is the term used to describe the reactant that is used up completely and controls the amount of product that can be produced during a chemical reaction.  

6 0
4 years ago
Which of the following is fansition<br>metallon<br>Akt<br>02 라<br>Sfeet​
kow [346]

Answer: 02 라

Explanation:

5 0
3 years ago
NALLOY is made up of two kinds of metals the a LLOY is uniform and parents how would this material be classified
trasher [3.6K]

Answer: An alloy is made up of two kinds of metals. This alloy is uniform in appearance. This material would be classified as a homogeneous mixture

7 0
2 years ago
Read 2 more answers
Zn+2HCl=ZnCl2+H2 how many moles of ZnCl2 will be produced from 61.0 g of ZnCl2, assuming HCl is available in excess?
docker41 [41]
Answer:
             127.15 g of ZnCl₂

Solution:
              The balance chemical equation is as follow,

<span>                                   Zn  +  2 HCl    </span>→    ZnCl₂  +  H₂

According to equation,

            65.38 g (1 mole) of Zn produced  =  136.28 g (1 mole) of ZnCl₂
So,
                        61.0 g of Zn will produce  =  X g of ZnCl₂

Solving for X,
                       X  =  (61.0 g × 136.28 g) ÷ 65.38 g

                       X  =  127.15 g of ZnCl₂
5 0
3 years ago
Read 2 more answers
Calculate the ph of a buffer that is 0.94 mhc2h3o2 and 0.059 mnac2h3o2. the ka for hc2h3o2 is 1.8×10−5. calculate the of a buffe
faust18 [17]

Answer:

The pH of the buffer is 3.54.

Explanation:

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

pH=pK_a+\log(\frac{[salt]}{[acid]})

pH=pK_a+\log(\frac{[NaHCO_3]}{[H_2CO_3]})

We are given:

pK_a = negative logarithm of acid dissociation constant of carbonic acid

pK_a=-\log[K_a]=-\[1.8\times 10^{-5}]=4.74

[NaC_2H_3O_2]=0.059 M

[HC_2H_3O_2]=0.94 M

pH = ?

Putting values in above equation, we get:

pH=4.74+\log(\frac{0.059 M}{0.94})\\\\pH=3.537\approx 3.54

The pH of the buffer is 3.54.

6 0
4 years ago
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