Problem P. 4781. (December 2015)
P. 4781. 200 g water is heated on a camping stove from a temperature of \(\displaystyle 15~{}^\circ\)C to a temperature of \(\displaystyle 75~{}^\circ\)C. (The cartridge of the stove contains 80% butene and 20% propane.)
By what amount does the total mass of the stove change during the heating process, if the efficiency of heating is 60%?
(3 pont)
Deadline expired on January 11, 2016.
Statistics:
98 students sent a solution. 3 points: 79 students. 2 points: 14 students. 1 point: 5 students.
Problems in Physics of KöMaL, December 2015