An insulated, rigid tank whose volume is 0.5 m³ is connected by a valve to a large vessel holding steam at 40 bar, 480°C. The tank is initially evacuated. The valve is opened only as long as required to fill the tank with steam to a pressure of 20 bar. Determine: (a) the final temperature of the steam in the tank, in °C, the final mass of the steam in the tank, in kg, and (b) the amount of entropy produced, in kJ/K.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Thermodynamics, please help with part b
### Thermodynamics Problem

**Problem Description:**
An insulated, rigid tank whose volume is 0.5 m³ is connected by a valve to a large vessel holding steam at 40 bar, 480°C. The tank is initially evacuated. The valve is opened only as long as required to fill the tank with steam to a pressure of 20 bar.

#### Determine:
(a) The final temperature of the steam in the tank, in °C, the final mass of the steam in the tank, in kg.

(b) The amount of entropy produced, in kJ/K.

---

### Part A

**Your answer is correct.**

Determine the final temperature of the steam in the tank, in °C, and the final mass of the steam in the tank, in kg.

- \( T_2 \) = 660.25 °C
- \( m_2 \) = 2.338 kg

---

### Part B

**Your answer is incorrect.**

Determine the amount of entropy produced, in kJ/K.

\[ \sigma_{\Delta V} = 1.687 \text{ kJ/K} \]

---

**Submission Details:**
- **Attempts Used:** 1 of 3

**Action Options:**
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This problem requires understanding of thermodynamic principles, especially related to insulated systems, pressure changes, and entropy calculations.
Transcribed Image Text:### Thermodynamics Problem **Problem Description:** An insulated, rigid tank whose volume is 0.5 m³ is connected by a valve to a large vessel holding steam at 40 bar, 480°C. The tank is initially evacuated. The valve is opened only as long as required to fill the tank with steam to a pressure of 20 bar. #### Determine: (a) The final temperature of the steam in the tank, in °C, the final mass of the steam in the tank, in kg. (b) The amount of entropy produced, in kJ/K. --- ### Part A **Your answer is correct.** Determine the final temperature of the steam in the tank, in °C, and the final mass of the steam in the tank, in kg. - \( T_2 \) = 660.25 °C - \( m_2 \) = 2.338 kg --- ### Part B **Your answer is incorrect.** Determine the amount of entropy produced, in kJ/K. \[ \sigma_{\Delta V} = 1.687 \text{ kJ/K} \] --- **Submission Details:** - **Attempts Used:** 1 of 3 **Action Options:** - Save for Later - Submit Answer This problem requires understanding of thermodynamic principles, especially related to insulated systems, pressure changes, and entropy calculations.
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