2 years ago

If 0.50 g of O2(g) reacts with excess H2(g), what is the volume of H2O(g) obtained from the reaction at STP?

Chemistry

1 answer:

ozzi2 years ago

4 0

Answer:

0.7 L H2O

Explanation:

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For the given nuclear reaction:

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We are given:

Mass of $_{19}^{40}\textrm{K}$ = 39.963998 u

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To calculate the mass defect, we use the equation:

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Putting values in above equation, we get:

$\Delta m=(39.963998-39.962591)=0.001407u$

To calculate the energy released, we use the equation:

$E=\Delta mc^2\\E=(0.001407u)\times c^2$

$E=(0.001407u)\times (931.5MeV)$ (Conversion factor: $1u=931.5MeV/c^2$ )

$E=1.3106MeV$

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