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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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In the lab, you added an excess of acetic acid to drive the reaction forward, favoring products at equilibrium according to Le C

AysviL [449]

Answer:

Remove exess water

Explanation:

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According to Le Chatelier's principle , one method of driving the equilibrium towards the forward reaction is by removal of one of the products. In this case, if water is removed, the forward reaction is favoured.

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3 years ago

A colloid can be detected by using the _________ effect. mohs tyndall faraday brownian

Sliva [168]

A colloid can be detected by using the Tyndall effect. The correct option among all the options that are given in the question is the second option. The other choices are incorrect and can be easily neglected. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.

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3 years ago

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You are performing an experiment that uses 114Ag. 113Ag is radioactive, decays by beta-- emission and has a half-life of 21 minu

maxonik [38]

Answer: The 234.74 grams of sample should be ordered.

Explanation:

Let the gram of 114 Ag to ordered be $N_o$

The amount required for the beginning of experiment = 0.0575 g

Time requires to ship the sample = 4.2hour = 252 min(1 hr = 60 min)

Half life of the sample = ${t_{\frac{1}{2}}$ = 21 min

$\lambda =\frac{0.693}{t_{\frac{1}{2}}}=\frac{0.693}{21 min}=0.033 min^{-1}$

$\log[N]=\log[N_o]-\frac{\lambda t}{2.303}$

$\log[0.0575 g]=\log[N_o]-\frac{0.033 min^{-1}\times 252 min}{2.303}$

$N_o=234.74 grams$

The 234.74 grams of sample should be ordered.

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2 years ago

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2 years ago

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Delicious77 [7]

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3 years ago