The floor system of an apartment building consists of a 3-in…

The floor system of an apartment building consists of a 3-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders. The areas of cross section of the floor beams and the girders are 18.9 in.2 and 32.5 in.2, respectively. Determine the dead load acting on beam AB.

A sample of a gas originally at 29 °C and 1.25 atm pressure…

A sample of a gas originally at 29 °C and 1.25 atm pressure in a 3.0 L container is allowed to contract until the volume is 2.2 L and the temperature is 11 °C. What is the final pressure of the gas? (You can assume that the number of moles of gas remains constant).