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Hatshy [7]
3 years ago
7

K12 3.10 Unit Assessment: Solutions, Part 1 does anyone have the answers for this quiz

Chemistry
2 answers:
Pani-rosa [81]3 years ago
5 0
Eat eat eat eat eat eat eat eat eat
Stells [14]3 years ago
3 0

Answer:

no i was looking for them can you help

Explanation:

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Helium is in the _______________ period. All elements in
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Helium is in the __1__ period. All elements in this period have __8__ shells around the nucleus. Also giving brainiest :)

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A neutral atom must have the same number of neutrons and electrons true or false
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False .... A neutral atom needs the same number of protons and electrons
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B) How does electron gain enthalpy change along a period and in a group?​
chubhunter [2.5K]

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Electron gain enthalpy becomes more and more negative from left to right in a period. As we move across a period from left to right the atomic size decreases and the nuclear charge increases

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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
3 years ago
Chlorination of 2-butanone yields two isomeric products, each having the molecular formula C4H7ClO.
Nat2105 [25]

Answer:

Please see attachment

Explanation:

Please see attachment

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