How to calculate the amount of heat given to the system | #thermodynamics

Welcome to Engineering Hack! In today's video we are solving a Thermodynamic's first law problem. We have a rigid container filled with liquid water and vapor that is being heated until the temperature inside rises to 150 ֯C, and we want to find the the amount of heat transfer required for this. The problem requires you to know that the specific volume can be calculated dividing the volume by mass, quality can be calculated dividing mass of vapor by total mass and some other pure substance properties, such as how to find the Internal energy and how to use the temperature table. Finally, a crude understanding of the first law of thermodynamics and work is needed to finish things off. Everything else comes by analyzing the problem and the system at hand.

Problem statement: A rigid 10L tank contains a mixture of liquid water and vapor at 100°C with 12.3 percent quality. Heat is now transferred to the tank until the temperature inside rises to 150°C. Calculate the amount of heat transfer required for this process.

Answer:
a) 46.8 kJ

🎓 Can you trust the answers and solutions provided? Well, you never should trust anything 100%. Make sure you are checking for yourself. When I’m solving the questions, I always solve on my own and then check the results against other sources. If there is divergence, I look for more sources. So while I can’t promise you everything will be 100% correct, I can promise I’ve done my due diligence before posting. If you enjoyed this video, please press the bell 🔔, like 👍,, comment or share. You're the best, thanks!
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