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3 years ago

25. In the formula for a molecular compound, which atom generally comes first? You may went

Chemistry

1 answer:

vovikov84 [41]3 years ago

3 0

Answer:

For organic compounds, carbon and hydrogen are listed as the first elements in the molecular formula, and they are followed by the remaining elements in alphabetical order. For example, for butane, the molecular formula is C 4 H 10.

Explanation:

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Mr. Stein builds a model of a molecule out of wooden beads and pegs. He uses the model to explain the shape of the molecule. Mr.

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Answer:

Explanation: The real molecule is too small so had to build a model to make it viewable

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Answer:

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blast furnaces give off many unpleasant and unhealthy gases. If the total air pressure is .99 ATM the partial pressure of carbon

kolbaska11 [484]

Answer:

$P_{air}=1.02atm$

Explanation:

Hello!

In this case, since the Dalton's law help us to realize that the total pressure of a gas mixture is computed by adding the partial pressure of each composing gas, for the mixture formed by carbon dioxide, oxygen sulfide (should be hydrogen sulfide instead) and air, we can write:

$P=P_{CO_2}+P_{H_2S}+P_{air}$

Thus, given the total pressure and the partial pressures of both carbon dioxide and hydrogen sulfide, the partial pressure of the remaining air would be:

$P_{air}=P_{T}-P_{H_2S}-P_{CO_2}$

Therefore, we plug in to obtain:

$P_{air}=0.99atm-0.05atm-0.02atm\\\\P_{air}=1.02atm$

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3 years ago

Why do you not fill you car tires with just oxygen?

Digiron [165]

Answer:

in text

Explanation:

But the main reason for using pure nitrogen is resistance to leakage. Nitrogen molecules find it harder to sneak out through the tire past the rubber molecules than oxygen molecules. This makes nitrogen a good bet for race car, aircraft and heavy-duty equipment where precise or constant pressure is critical.

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The ions Cr3+ and O2- combine to form the ionic compound chromium oxide. In what proportions do these ions combine to produce a

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For the compound formed to be neutral, the charge should be zero. This means that the positive charge should be equal to the negative charge. The balanced chemical reaction forming the neutral chromium oxide is shown below.
2Cr3+ + 3O2- ---> Cr2O3

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