a. 412 pressure of c. 82 atm 640 b, atm gofonygen 2. 25.8 atm gasina15OL Which o

Question

a. 412 pressure of c. 82 atm 640 b, atm gofonygen 2. 25.8 atm gasina15OL Which one the container 3Tch of following 196 innertransition atm isan wtransition) maximum demenn number of electrons can an level or shell (n le quantum number)is that occupy energy 4. A of the gas occupy at STP? a. 810 mL occupies a of 300 ml under a pressure of 380. torm at 177 C. What volume would volume b. 180 ml. c, 360 mL 5. The valence shell is a. the orbitals belonging to the entire molecule. b. the lowest energy level occupied by electrons. c. the hard covering on d, the highest energy level occupied by electrons. e, the set of orbitals used to make triple bonds. 6. Calculate the volume occupied by 0.588 g of NH) at STP, if it behaves ideally. 775 L o 368 L d. 0.502 L e, 0.621 L Which of the following has a negative charge? b- electron c, particle 8. A property that measures the ability of an atom to attract electrons in a chemical bond is b, ionization energy. c. binding gativity. d. electron affinity. energy. e, defect.

Explanation / Answer

1) Given that V = 1.5 L

T = -37oC = -37 + 273 K = 236 K

mass of oxygen m = 64 g

Ideal ags equation is

PV = nRT

n = no of moles = mass m/ molar mass M

Then,

PV = (m/M) RT

P = (m/M) (RT/V)

= (64 g/ 32 g/mol ) (0.0821 L.atm/K/mol x 236 K/1.5 L)

= 25.8 atm

P = 25.8 atm

Therefore,

pressure of oxygen = 25.8 atm

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