Nung nóng một bình đựng khí hyđrô nén có thể tích 10 lít ở nhiệt độ 7o C, áp suất
50 at. Vì bình hở nên một phần khí hyđrô thoát ra ngoài. Hyđrô còn lại trong bình
có nhiệt độ 17o
C còn áp suất vẫn như cũ. Tính khối lượng hyđrô thoát ra ngoài.

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.