3 years ago

What is the name of the gas produced when nitric acid is added to copper metal? please help! much appreciated!

Chemistry

1 answer:

Lemur [1.5K]3 years ago

8 0

The answer to your question is nitrogen dioxide

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The decomposition of dinitrogen pentoxide, N2O5, to NO2 and O2 is a first-order reaction. At 60°C, the rate constant is 2.8 × 10

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Answer:

The correct option is a.

Explanation:

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125 kPa

125kpa - 2x 4x x

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x = 17

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Final pressure of the dinitrogen pentoxide, (at t = t) = P = 91 kPa

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$t=\frac{2.303}{2.8\times 10^{-3} min^{-1}}\log\frac{125 kPa}{91 kPa}$

$t=113.3969 minutes\approx 113 minutes$

It will take 113 minutes for the total pressure to reach 176 kPa.

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What is the electron configuration of an element with atomic number 15?

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