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3 years ago

Should disel and gasoline engines complaint with CO2 emissions standards be banned?? Can this statement be answered by science?

Chemistry

2 answers:

Arte-miy333 [17]3 years ago

8 0

yes it can be banned because it is toxic

luda_lava [24]3 years ago

7 0

Yes. Emissions at the getgo are not that harmful. However, when they build up, they can become lethal. This can be declaired by science in the sense that scientists have done research and done it with monkeys who have relatable body parts with humans.

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Suppose a current of is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for s

WARRIOR [948]

The given question is incomplete. The complete question is:

Suppose a current of 0.920 A is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 47.0 seconds. Calculate the mass of pure silver deposited on a metal object made into the cathode of the cell.

Answer: 0.0484 g

Explanation:

$Q=I\times t$

where Q= quantity of electricity in coloumbs

I = current in amperes = 0.920 A

t= time in seconds = 47.0 sec

$Q=0.920A\times 47.0s=43.24C$

$AgNO_3\rightarrow Ag^++NO_3^-$

$Ag^++e^-\rightarrow Ag$

96500 Coloumb of electricity electrolyzes 1 mole of Ag

43.24 C of electricity deposits = $\frac{1}{96500}\times 43.24=0.00045moles$ of Ag

$\text{ mass of Ag}={\text{no of moles}\times {\text{Molar mass}}=0.00045mol\times 108g=0.0484g$

Thus the mass of pure silver deposited on a metal object made into the cathode of the cell is 0.0484 g

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3 years ago

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Shkiper50 [21]

Answer:

Explanation:

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A solution of [FeSCN]^{2+} is found to have 37% transmittance at 447 nm. If the molar absorption coefficient (ε) is 4400 at λ_{m

alexandr1967 [171]

Answer:9.81×10^-5 M

Explanation: See attachments

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A student heats the same amount of two different liquids over Bunsen burners. Each liquid is at room temperature when the studen

ZanzabumX [31]

If Liquid 1 has a higher specific heat than Liquid 2, then Liquid 1 will take longer to increase in temperature because the higher specific heat of a liquid needs more thermal energy for heating a liquid.

<h3>What is specific heat?</h3>

Specific heat of a substance refers to the quantity of heat that is required to raise the temperature of one gram of a substance by one Celsius degree so we can conclude that Liquid 1 will take longer to increase in temperature

Learn more about heat here: brainly.com/question/24390373

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Aluminum reacts with iron nitrate to form aluminum nitrate and iron. What is the

Lelechka [254]

The reactants are aluminum and iron nitrate.

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