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PtichkaEL [24]
3 years ago
7

How many valence electrons does a neutral atom of Argon have

Chemistry
1 answer:
nydimaria [60]3 years ago
4 0
The correct answer would be D.8
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Name a property copper has?
Ilya [14]

Answer:

Explanation:

It is malleable, ductile, and a good conductor of electricity and heat.

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2 years ago
How much mass defect is required to release 5.5 x 1020 J of energy?
Montano1993 [528]

Answer : The mass defect required to release energy is 6111.111 kg

Explanation :

To calculate the mass defect for given energy released, we use Einstein's equation:

E=\Delta mc^2

E = Energy released = 5.5\times 10^{20}J

\Delta m = mass change = ?

c = speed of light = 3\times 10^8m/s

Now put all the given values in above equation, we get:

5.5\times 10^{20}Kgm^2/s^2=\Delta m\times (3\times 10^8m/s)^2

\Delta m=6111.111kg

Therefore, the mass defect required to release energy is 6111.111 kg

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3 years ago
Definition of enthalpy
ludmilkaskok [199]
 Thermodynamic quantity equivalent to the total heat content of a system It is equal to the internal energy of the system plus the product of pressure and volume
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0.63g

Explanation:

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If 2.65 mol of O2 gas has a volume of 49.0 L at 180 C, what is the pressure of the gas?
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2.01atm

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