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strojnjashka [21]
3 years ago
14

How many moles are in 1.50x10^23 molecules of NH3

Chemistry
1 answer:
Rom4ik [11]3 years ago
6 0
The answer is 0.25 moles because one mole of NH3 would have apporximately 6.02X10^23 molecules
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Use bond energies from Table 10.3 in the textbook to estimate the enthalpy change (ΔH) for the following reaction. C2H2(g)+H2(g)
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\Delta H= {\text {sum of bond energies of reactants}}-  {\text {sum of bond energies of products}}

\Delta H= {1B.E(C≡C)+2B.E(C-H) +1B.E(H-H)} - {1B.E(C=C)+4B.E(C-H)}

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=176.6kJmol^{-1}







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How many moles of water at produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas the answer is D
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