The values of N, log N and ln N are all worked out below.
We have the number N as 8.99
hence;
1) lnN = ln(8.99) = 2.196
log N = log (8.99) = 0.954
2) If we have ln N as 3.949
N = e^3.949 = 51.88
So;
log N = log (51.88) = 1.715
3) log N = 0.134
N = Antilog (0.134 ) = 1.36
ln N = ln (1.36) = 0.307
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It would be the Aqueous solution
Answer:
the permanganate is the opposite of potassiumation:
Explanation:
Answer:
ΔH = +140.9 kJ
Explanation:
This is an application of Hess's Law. Begin by rewriting the equations so that similar species NOT found in the final reaction will cancel each other out. Remember to flip the signs when you flip the equations.
3O₂ -> 2O₃ ΔH = +427 kJ
2O -> O₂ ΔH = +395.2 kJ
NO + O₃ -> NO₂ + O₂ ΔH = -199 kJ
Now, divide the coefficients of the reactions so that they will cancel each other out (remember to also divide the enthalpies).
O₂ -> 2/3 O₃ ΔH = +142.3 kJ
O -> 1/2 O₂ ΔH = +197.6 kJ
NO + O₃ -> NO₂ + O₂ ΔH = -199 kJ
The O₂ as a reactant in the first reaction will cancel out with the O₂ as a product in the last reaction.
The O₃ is a little tricky to think about, so bear with me here. We can think of O₃ also as 3/3 O₃. Two-thirds of this O₃ in the reactants of the final reaction will cancel out with the products of the first reaction. The final 1/3 O₃ (which is just a single O!) will cancel out with 1/2 O₂ (also just a single O!).
This finally leaves us with:
NO + O -> NO₂
Adding the three reactions with the rewritten coefficients gives us:
142.3 + 197.6 + (-199) = +140.9 kJ = ΔH
Thus, NO + O -> NO₂ ΔH = +140.9 kJ
A. represents a situation in which the person is not handling frustration well. In the other situations, the people found they weren't doing as well as they had hoped and so they actively found ways to maneuver around this to improve their lives. Leslie gave up her job simply the move back with her parents with no indication that she would be able to support herself until she got the job she wanted. It's important to keep a source on income while chasing down a dream job.
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