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IRINA_888 [86]
3 years ago
6

7) Which element would have the lowest first ionization energy? * Li Be Na Mg

Chemistry
2 answers:
olga_2 [115]3 years ago
7 0

Answer:

Dos quintos al cuadrado dividido cinco medios a la menos 1.

Explanation:

Vera_Pavlovna [14]3 years ago
6 0

Answer:

Na which is sodium.....

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Ununoctium

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The free energy of formation of nitric oxide, NO, at 1000 K (roughly the temperature in an automobile engine during ignition) is
Assoli18 [71]

<u>Answer:</u> The value of K_p for the chemical equation is 8.341\times 10^{-5}

<u>Explanation:</u>

For the given chemical equation:

N_2(g)+O_2(g)\rightarrow 2NO(g)

To calculate the K_p for given value of Gibbs free energy, we use the relation:

\Delta G=-RT\ln K_p

where,

\Delta G = Gibbs free energy = 78 kJ/mol = 78000 J/mol  (Conversion factor: 1kJ = 1000J)

R = Gas constant = 8.314J/K mol

T = temperature = 1000 K

K_p = equilibrium constant in terms of partial pressure = ?

Putting values in above equation, we get:

78000J/mol=-(8.314J/Kmol)\times 1000K\times \ln K_p\\\\Kp=8.341\times 10^{-5}

Hence, the value of K_p for the chemical equation is 8.341\times 10^{-5}

4 0
4 years ago
When you cut your knee what part of the blood helps the blood stop flowing?
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