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Alona [7]
2 years ago
7

A race car is driven by a professional driver at 99 . what is this speed in and ? 1 mile = 1.61 kilometers 1 hour = 60 minutes

Chemistry
1 answer:
antoniya [11.8K]2 years ago
5 0

Answer:

159.32 kmh (kilometers and hour)

Explanation:

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Which of the following would have to lose three electrons in order to achieve a noble gas electron configuration?
Soloha48 [4]

Answer:

i believe the answer is Aluminum (Al)

Explanation:

Each element has an equal amount of protons to electron so i you subtract one of either you will have to subtract from the other to make sure it is stable. aluminum has 13 protons and electrons. Subtracting 3 from it would gkve it the same qualities as Neon.

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4 years ago
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A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490. mmHg and the partial press
OleMash [197]

Answer: The partial pressure of neon is 173 mmHg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_A+p_B+p_C

Given : p_{total} =total pressure of gases = 490 mm Hg

p_{He} = partial pressure of Helium = 215 mmHg

p_{Ar} = partial pressure of argon = 102 mm Hg

p_{Ne} = partial pressure of neon= ?

p_{total}=p_{He}+p_{Ar}+p_{Ne}

490=215+102+p_{Ne}

p_{Ne}=173mmHg

Thus partial pressure of neon is 173 mmHg

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Gggg

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Animal waste is broken down, producing methane gas

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