Two insulated tanks are connected by a valve. One tank initially contains 0.5 kg air at 80 degree C, 1 bar, and the other contains 1.0 kg of air at 50 degree C, 2 bar. The valve is opened and the two quantities of air are allowed to mix until equilibrium is attained. Employing the ideal gas model with c_v = 0.72 kJ/kg middot K, determine A) The final temperature, in degree C. B) The final pressure, in bar. C) The amount of entropy produced, in kJ/K.

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explanation:

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Explanation:

Although butter is high in calories and fat, it contains a variety of important nutrients as well. For example, it's a good source of vitamin A, a fat-soluble vitamin needed for skin health, immune function, and healthy vision

0.025 seconds

Explanation: You just have to divide the time between the # of flaps divided by the 1.25 m/s

Explanation:

A massive asteroid impact would create long-term changes in the atmosphere and climate of the planet. Upon impact, vaporized dirt and rock would fill the atmosphere, blocking sunlight and creating a state of near-permanent darkness and winter-like conditions.