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Olin [163]
3 years ago
13

What is the older name for lanthanides and actinides?

Chemistry
1 answer:
Whitepunk [10]3 years ago
6 0

Answer:

inner transition metals

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_______ are plants that produce seeds and flowers.
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angiosperms

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Step 1: H2(g) + → ICI(9) HI(g) + HCl(g) (slow)
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B

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What is the mass of 1.25 mol of zinc ​
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Could i have branliest, heart and 5 stars thanks!

5 0
3 years ago
A gas mixture contains oxygen, nitrogen, and carbon dioxide. It has a pressure of 250 mmHg. If the pressure of oxygen is 50 mmHg
kondor19780726 [428]

Answer:

P_{CO_2}=25mmHg

Explanation:

Hello there!

In this case, according to the Dalton's law, which explains that the total pressure of a gaseous system equals the sum of the partial pressures of the gases composing, for the gaseous mixture composed by oxygen, nitrogen and carbon dioxide it would be possible to write:

P_{tot}=P_{N_2}+P_{O_2}+P_{CO_2}

Now, given the pressure of the system and those of oxygen and nitrogen, we calculate that of carbon dioxide as shown below:

P_{CO_2}=P_{tot}-P_{N_2}-P_{O_2}\\\\P_{CO_2}=250mmHg-50mmHg-175mmHg\\\\P_{CO_2}=25mmHg

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2 years ago
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