Answer:
4461 Kelvin
Step-by-step explanation:
Note: Did you write the value of moles number corectly ?- 0.02 moles? If so, the answer is 4461 Kelvin.
If the moles number is 0.2 moles ( not 0.02 moles as given ), then the answer is 446 Kelvin.
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Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!