Steam at 7 bar, dryness fraction 0.9, expands reversibly at constant pressure until the temperature is 200 °c. calculate the work input and heat supplied per unit mass of steam during the process.

What are igneous intrusions and extrusions

While carrying a heavy box up the stairs, you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable: