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Bogdan [553]
3 years ago
6

On a particular day, the following appliances are used for the times indicated: a 1600-W coffee maker, 15 min, and a 1100-W micr

owave oven, 4.9 min. With these power requirements, find how much it costs to use these appliances at an electrical cost of 7¢ per kWh. (Do not round your final answer. Fractional cent values are acceptable.)
Chemistry
1 answer:
almond37 [142]3 years ago
5 0

Answer:

you \: kina \: look \: like \: da \: baby

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What is the pressure of 0.5 mol of nitrogen gas in a 5 L container at 203 K
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=1.666 liters

Explanation:

1 mole of a has at standard temperature and pressure occupies a volume of 22.4 liters.

0.5 moles of nitrogen occupy a volume of (0.5 moles×22.4 dm³/mol)/ 1

=11.2 liters.

Standard pressure= 1 atmosphere (Atm)

Standard temperature = 273.15 Kelvin

According to Combined gas equation, P₁V₁/T₁=P₂V₂/T₂

Let us take the conditions under standard conditions as the reference, with the subscript 1 and the conditions under the 5L container to be scenario 2 with subscript 2.

Therefore P₂ =P₁V₁T₂/T₁V₂

Substituting for the values we get:

P₂= (1 atm× 11.2L ×203K)/ (273K×5L)

=1.666 atm

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