How do nicotine and tobacco cause cancer?

Chemistry

1 answer:

Rudiy273 years ago

5 0

Answer:

nicotine and tobacco can cause lung cancer because the chemicals and tar can get stuck in your lungs. This blocks an airway, to your throat which allows you to breathe. When that airway is blocked, it becomes hard to breathe....

Explanation:

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I really need some help and explaining with the Heat of Combustion Lab.

Nataly_w [17]

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3 years ago

2. Chromium+oxygen - chromium(III) oxide <br>balanced

sesenic [268]

Answer:

4Cr + 3O2 —> 2Cr2O3

Explanation:

Information from the question include:

Chromium + oxygen -> chromium(III) oxide

From the word equation given above, the equation can be written as follow:

Cr + O2 —> Cr2O3

The equation can be balance by doing the following:

There are 2 atoms of O on the left side and 3 atoms on the right side. It can be balance by putting 2 in front of Cr2O3 and 3 in front of O2 as shown below:

Cr + 3O2 —> 2Cr2O3

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4Cr + 3O2 —> 2Cr2O3

Now the equation is balanced

3 0

3 years ago

Tuliskan persamaan tetapan kesetimbangan untuk reaksi-reaksi berikut a. Fe3+(aq) + SCN– (aq) ↔ FeSCN3+(aq) b. 3Fe(s) + 4H2O(g) ↔

nevsk [136]

Answer:

a. $K_c = \dfrac{[ FeSCN^{3+}_{(aq)}] }{[Fe^{3+}_{(aq)}] [SCN^-_{(aq)}]}$