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katrin [286]
3 years ago
15

Urine, at ph 6, contains __________ h+ as household bleach, at ph 13.

Chemistry
1 answer:
Aneli [31]3 years ago
5 0
PH 6 solutions contain 1x10^7 more H+ ion concentration as a pH 13 solution. That's ten million times greater concentration.
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N2 (g) + 2O2(g) = 2NO2 (g) ΔH = 66.4 kJ 2NO (g) + O2 (g) = 2NO2 (g) ΔH = -114.2 kJ the enthalpy of the reaction of the nitrogen
RSB [31]

Answer:

ΔH  = 180.6 kJ

Explanation:

Given that:

N2 (g) + 2O2(g) = 2NO2 (g)           ΔH = 66.4 kJ

<u>2NO (g) + O2 (g) = 2NO2 (g)         ΔH = -114.2 kJ                     </u>

N2 (g) + O2 (g) = 2NO (g)              ΔH  = ????

The subtraction of both equations would yield the unknown ΔH , therefore:

ΔH = 66.4 - ( - 114.2 kJ)

ΔH  = 180.6 kJ

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<h2>It makes the current viable enough to pass through an exterior wire.</h2>

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