1st law of thermodynamics (experiments)

Group 3 EKC222 Chemical Eng. Thermodynamics Assignment. Basically we did two experiments to explain the 1st law of thermodynamics. Hope you guys enjoy it!
Credits to
Soon Kah Aik
Chan Chuh Yiing
Mohamed Fadhil bin Mohamed Vaisul
Mohamed Khairi bin Othman
Nurul Azrin binti Abdul Rahim