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3 years ago

The best way to reduce air pollution is to _____.

Chemistry

2 answers:

madreJ [45]3 years ago

8 0

Ans: carpool

Exhaust from vehicles is a major source of air pollution. Majority of the vehicles use oil as the fuel source. Oil essentially a hydrocarbon which undergoes combustion in the presence of oxygen to produce carbon dioxide and water. However, insufficient oxygen inhibits complete combustion and produces toxic CO (carbon monoxide). In addition, oxides of nitrogen (NOx) are also released from vehicle emissions.

Burning of wood releases large amounts of polycyclic aromatic hydrocarbons (PAHs) which are highly toxic.

Thus, the best way to reduce air pollution is to carpool, which would reduce the number of vehicles on road.

NARA [144]3 years ago

4 0

I would say carpool why because you don't know what the hybrid car runs on

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Consider an oxygen-concentration cell consisting of two zinc electrodes. One is immersed in a water solution with a low oxygen c

blsea [12.9K]

Answer:

(a) The anode electrode which comprises the zinc electrode being placed in a water solution with low oxygen concentration.

(b) Cathodic reaction is: $O_{2} + 2H_{2}O + 4e^{-}$ ⇒ $4OH^{-}$

Anodic reaction is: $Zn$ ⇒ $Zn^{2+} + 2e^{-}$

Explanation:

In the given problem, we have an oxygen-concentration cell consisting of two zinc electrodes. One is immersed in a water solution with a low oxygen concentration and the other in a water solution with a high oxygen concentration. The zinc electrodes are connected by an external copper wire.

(a) Which electrode will corrode?

The electrode that will corrode is the anode electrode which comprises the zinc electrode being placed in a water solution with low oxygen concentration.

(b) Write half-cell reactions for the anodic reaction and the cathodic reaction.

Cathodic reaction is: $O_{2} + 2H_{2}O + 4e^{-}$ ⇒ $4OH^{-}$

Anodic reaction is: $Zn$ ⇒ $Zn^{2+} + 2e^{-}$

6 0

3 years ago

Un mol de Neón ocupa un volumen de 5 lt y una temperatura 300°K, cuál será su volumen si la temperatura disminuye en 50 °K, P y

Anna [14]

Answer:

No hoblo englas

Explanation:

7 0

2 years ago

A What does the data tell us? Using the storm data and the computer model, check all statements that are true.

ioda

I think the answer is a. and d.

hope this helps!!

3 0

3 years ago

Read 2 more answers

But-1-ene can be prepared from butan-1-ol. which type of reaction takes place?

slega [8]

Answer:

Dehydration Reaction

Explanation:

Alcohols can be converted into Alkenes using catalytic amounts of acids as a catalysts.

The water molecule is removed hence, it is called as dehydration reaction.

The reaction is attached.

8 0

2 years ago

a chemist wishes to mix some pure acid with some water to produce 16L of a solution that is 30% acid how much pure acid and how

Aloiza [94]

Answer: The volume of acid and water that must be mixed will be 4.8 L and 11.2 L

Explanation:

We are given:

Volume of mixture = 16 L

Percent of acid present = 30 %

Calculating the percentage of acid present in the mixture:

$\Rightarrow 16\times \frac{30}{100}=4.8L$

The mixture is made entirely of acid and water.

Volume of acid in the mixture = 4.8 L

Volume of water in the mixture = 16 - 4.8 = 11.2 L

Hence, the volume of acid and water that must be mixed will be 4.8 L and 11.2 L

4 0

3 years ago