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3 years ago

11

If the temperature of one mole of gas increases while its volume decreases, would you expect the gas pressure to increase, decre

ase, or remain the same? Explain your reasoning in the terms of gas laws.

1 answer:

tangare [24]3 years ago

8 0

Answer:

Pressure will increase since their is not much room

please give brainliest

Explanation:

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What is the concentration of H3O+ ions in saliva if [OH-] = 4.22 x 10-10 M? Provide the pH and the classification of this sample

OLEGan [10]

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<h3>Further explanation</h3>

The water equilibrium constant (Kw) is the product of concentration

the ions:

Kw = [H₃O⁺] [OH⁻]

Kw value at 25° C = 10⁻¹⁴

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then the concentration of H₃O⁺:

$\tt 10^{-14}=4.22\times 10^{-10}\times [H_3O^+]\\\\(H_3O^+]=\dfrac{10^{-14}}{4.22\times 10^{-10}}=2.37\times 10^{-5}$

pH=-log[H₃O⁺] $\tt pH=5-log~2.37=4.625$

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