A) What is the specific internal energy of water at 50 kPa and 190°C? Use data...

A) What is the specific internal energy of water at 50 kPa and 190°C? Use data from the steam tables. The specific internal energy of water is ___ kJ/kg.

B) What is the specific volume of R-134a at 20°C and 730 kPa? What is the internal energy at that state? Use data from the steam tables.

The specific volume is ___m3/kg.

The internal energy is ___kJ/kg.

Expert Solution

samet mamat answered 2 years ago

For water in state 1.5 bar, 225 C, what is the specific internal energy of water...

For water in state 1.5 bar, 225 C, what is the specific internal energy of water (kJ/kg)?

A rigid tank contains air at 500 kPa and 190 °C. As a result of heat...

A rigid tank contains air at 500 kPa and 190 °C. As a result of heat transfer to the surroundings, the temperature and pressure inside the tank drop to 64 °C and 400 kPa respectively. One kilogram of water fills a container whose volume is 0.13 m cube. The pressure in the container is 750 kPa. Calculate the total internal energy and enthalphy in the container.

A container contains water at 100 kPa. The specific volume of the water inside the container...

A container contains water at 100 kPa. The specific volume of the water inside the container is 1.00 m3/kg. What is the quality (x) of the water in the container, as a percentage and what is the phase of the water in the container?

Determine the specific internal energy (in kJ/kg) of water at 400C and 20 MPa. (Please show...

Determine the specific internal energy (in kJ/kg) of water at 400C and 20 MPa. (Please show how units cancel)!

Water at 60 ∘C is pressurized in a pump from 90 kPa to 1600 kPa. If...

Water at 60 ∘C is pressurized in a pump from 90 kPa to 1600 kPa. If this requires 2.4 kJ for every kg of water that moves through the pump, then what is the isentropic efficiency of the pump? (Assume the mechanical efficiency is 100%)

A plunger cylinder device contains 50 L of liquid water at 50 oC and 180 kPa....

A plunger cylinder device contains 50 L of liquid water at 50 oC and 180 kPa. Heat is transferred to the water until 40% of the liquid evaporates. Determine the work done by the system during this process and explain the physical meaning of the sign of its result.

The vapor pressure of water at 32 degrees C is 4.76 kPa. A glass of water...

The vapor pressure of water at 32 degrees C is 4.76 kPa. A glass of water in sealed in a a 1.00L container filled with air at 32 degree C. After the water comes to equilibrium with the air in the container, the total pressure is 1 bar and there is 500 g of liquid water in the glass. a. What will be the partial pressure of water vapor in the container? b. If 35.0 g of ethylene glycol is...

1)Consider water at 500 kPa and a specific volume of 0.2 m3/kgm3/kg. What is the temperature...

1)Consider water at 500 kPa and a specific volume of 0.2 m3/kgm3/kg. What is the temperature (in °C)? 2)Consider water at 500 kPa and a specific volume of 0.2 m3/kgm3/kg. What is the quality (on a 0 to 1 scale)? 3)Consider water at 1400 kPa and 200°C. What is the specific volume (in m3/kgm3/kg)?

Table 1. Steel Bolt Specific Heat Data Bolt Ti (°C) Water Ti (°C) Water and Bolt...

Table 1. Steel Bolt Specific Heat Data Bolt Ti (°C) Water Ti (°C) Water and Bolt Tf (°C) Water ΔT = Tf - Ti Bolt ΔT (°C) Bolt Mass (kg) Water Mass (kg) Steel Bolt 72 20 26 52 -72 .021 .15 The heat lost by the hot bolt is equal to the heat gained by the water in the calorimeter. Use the equations provided above and what you know about heat to solve for the specific heat (C) of...

A 190 g piece of ice at 0°C is placed in 400 g of water at...

A 190 g piece of ice at 0°C is placed in 400 g of water at 24°C. The system is in a container of negligible heat capacity and is insulated from its surroundings. (a) What is the final equilibrium temperature of the system? °C (b) How much of the ice melts? g

Question