Write a balanced equation for the decomposition of tnt. assume that, upon explosion, tnt decomposes into n2(g),co2(g),h2o(g), an
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The enthalpy change of the precipitation reaction is 84 kJ/mole
Why?
The chemical equation for the reaction is
AgNO₃(aq) + NaCl (aq) → AgCl(s) + NaNO₃(aq)
To find the enthalpy change we need to apply the following equation
To find the heat (Q):
Now, to find the number of moles that react (n):
Having these two values we can plug in the first equation:
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Answer:
= 0.134;
= 0.866
The partial pressure of isopropanol = 34.04 Torr; The partial pressure of propanol = 5.26 Torr
Explanation:
For each of the solutions:
mole fraction of isopropanol () = 1 - mole fraction of propanol (
).
Given: mole fraction of propanol = 0.247. Thus, the mole fraction of isopropanol = 1 - 0.247 = 0.753.
Furthermole, the partial pressure of isopropanol = *vapor pressure of isopropanol = 0.753*45.2 Torr = 34.04 Torr
The partial pressure of propanol = *vapor pressure of propanol = 0.247*20.9 Torr = 5.16 Torr
Similarly,
In the vapor phase,
The mole fraction of propanol () =
Where, is the partial pressure of propanol and
is the partial pressure of isopropanol.
Therefore,
= 5.26/(34.04+5.16) = 0.134
= 1 - 0.134 = 0.866