Determine the change in specific internal energy for air from 350 K, 1 bar to 700 K and 2.5 bar. Determine the change in specific enthalpy of ammonia from 0.3 MPa and a quality of 0.4 to 0.3 MPa and 40oC. Determine the change in entropy for 2 kg of argon from 350 K, 1 bar to 700 K and 2.5 bar. Determine the change in specific energy for R-22 from 40oC, 16 bar, and 50 m/s to 40oC, 10 bar and 5 m/s.

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !