Candle phenomenon
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKJU1w0M6UYFdc_5OxBRBFeK1uweejfsHKno-GIiS7de59pL9c5oFhzQDzUpK0r18RO9nB8gUTKVduBj3wzedN04WchQixN4krsYYFsvMHSflrVNKVRIVX5K-nrdm8JP-TVX29HAfKi26t/s1600/IMG_20140909_080308.jpg)
All three above are the predictions of the processes and the outcome of the candle experiment.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiA_YHCHsQEEzV38WpsNm2TRJ62Y1E8yVhlpChqJqdvfEOmujMfE6K887-7YsfoHQtx1koajJhZZY9r33aSUA2K-Ahm2xJgVoRx_adtlCE3xi9vMxh3pFCrbwaW1q6FGwPahZ-DMXYlFktD/s1600/IMG_20140909_085215.jpg) |
Active physics Questions Answered. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9Hp-3LlDqyENWxeMnK_KCOAF6Z0zGq3RoTijrvJMqV2L2w5ycWOGj7OHVImiA4NkRHDk3hBA3Rn_1SCH_MugMYzn8VjrQyJfyTdoafwlZBsiyj75ilq73u5YJp-wVOulhDF8IvktVVE9Z/s1600/IMG_20140909_085710.jpg) |
4 Main types of processes and their PV
diagrams. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUD_bm5-heG4at9rm4kboQ87uqemRxb46ALugDMrnSBO6QbNQktX_ZRy1bC-1Z4g6cvNJxA28wFzNC8OgtDrMeD_BodHXT0vfaoZp7jOY6bNdzH8v1VCD8DuGsW8lRr6ijzk12OF0Jzgr3/s1600/IMG_20140909_095421.jpg) |
Calculations of work done by gas. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAfUN4-_6BFUu1CArtJuzY7LqvGRdWLs6Mt2YBHNOykuLhhqeioF0MljnNwXxYbVaKSIp0Yxl2gCjivEcekCkFlyct2oyFFlim-eVDdGzZOqyb3LWjy1hZEqiZjp9i0c0dcbdCsqoVZmHh/s1600/IMG_20140909_100616.jpg) |
More of work done by gas calculations. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOr2ahQ5r6yqQ5rn9a-SY8ITh7PBTMHNZsz55bfZua3vmSnvxNOWmFZLRT9h90iSMwnFSl5VLR5tfA-n8QsgV_iddd15iMkWhdpZrMUVvprIERsmLKVlzZzKbce4sy5ZciaLDmmDpTTxSl/s1600/IMG_20140909_074039.jpg) |
Setup for the candle with my lighter
The candle was |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCwKsRCNBNqbEKfCUG3Me4k7K5ymA2-4W54zin6Fj5x75KcwBqnUW55Q58TbBtqFO3grbHvRFX1orbyR8v7EI5J3W00KdIz7swI0L75fYdq8IUU_n92O_CVN_izp6mAivF-L6RP1_PWrJE/s1600/IMG_20140909_074457.jpg) |
Setup for candle |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwjlEcWZIBwax7zWP6mYz0zueGufkojPsjAJB012C1T6DnP7sQYblLmLHljq76QnTNeut2jMFij3KaKOCp3rRgOGM1YhzmuIDnw689f0B_UWAnsjWk8TMt0oCoZ0ZwnLKsUT6ORtLpfxd9/s1600/VID_20140909_074847.mp4) |
The candle was not because
the combustion process
makes air flow into the big tube
and CO2 out of small tube. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVdy0bnjraN6bIXwanany51ASCZSBQkBbxzm-k7pFnGdHXxpoAbWuna5kJGZdwi-J8VHR4vmpa1u2MGLZsCwAP8EIdo0daF54meC9X6kOhrgsXwou3oZgVzADv184QMtAoSlWAeU3ZyW15/s1600/IMG_20140909_074645.jpg) |
Materials for candle experiment. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWwKGH452Sy3xS2qnKzsxvDGw_CPUweK1EhtXP6RUrL2UYnAhu6p8OFC2qn7SDlXZWercShhXG4-jFt-NlokBit4675vFJQBmbLw_G_j4knVOBKjqbz2fbAmtACwodK_NX3vJDX5mbhUHw/s1600/VID_20140909_074339.mp4) |
Candle went out fast due to
lack of air (O2) flowing into the tube. |
Work done by Gases from different temperature gas inside flask and glass jar with candle falling down
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinpjp3Q2HMoNjMVVuDz6WJBXHfg4KOTZBt0s16126SaJXaJMOG9HFHjU3iyYBSZPJ1fsb523gN9r3_aU1LS_ppUPzK7cSUGC069UyXCDlhfV0iJxGQhaAerBQnzKwwl70FFThi0cPUvauO/s1600/VID_20140909_075857.mp4) |
From this experiment, we learned that flask. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgThmDhbTuVDAQWXlO-2ZWONgPLc5UmBuvwdVIAMP_PutED_9s-w5chNnZ9HhO0uYNXUrIl5ZxHc1o7MWYD-V_mAkx_4mmcbFgE0bVF1nlJ9dqKp3AfFjQbl3HEUuUD506fmEZiFIJ7aph3/s1600/IMG_20140909_085812.jpg) |
Device for isobaric process |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdMDzV3zKwSgLXKPM6nOvBeH3j8ae9FzYo8vbY7aAZjErng7OEK6UhyFqmH9JbIfZiQfBAI2yUqMU9cLkS_EJ9VR0q2zf2RhQ-xaxraOaq2y3Pm7KBTDgy1LHg0ORGTZLgyBubaC3xReGY/s1600/VID_20140909_085946.mp4) |
Professor Mason is changing the volume slowly for this one to have a isothermal process. |
From this experiment, we learned to use the formula of W=Q=P1V1ln(V2/v1) for only isothermal systems. Furthermore the numerical answer we got -2.58J. it is negative because work is done on the system.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9e8U7quhTaPVk7WcU7X979pKk5IjTxPz366nZWUjmW8nV4-BCIvwPpZgxPBUjx5Zqgy8ebusye1RmiUvFR_DFyqpY7vnHWSAYHgXh9j3GkL0x5A0D8VhsuPBKSOk26nd2aDCVoXChm37M/s1600/VID_20140909_090026.mp4) |
Shorter video of same setup. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoMKjZ16FWT1X0aqZWooGtGu8jiy4RwQbLbUwIg9zLAvy55LibAHXlTEQed3wvhqkJC-iL_PVQfoqElYbYXPU0tfim7-WYNf8GvRkUUnDOB8b4kiaaQeNfwH03tAbogX5OXGidVuOmTl6C/s1600/IMG_20140909_100616.jpg) |
Calculation. |
Rubber, Heat engine and demonstration
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrmQJvlSRB22sqL0jUX99eVehNa4DIZtwpPihas9za6tGB9PgnFli2Cx2d-JYjVbODlntHgLbHS_LR4ic0_POt2phmTT-MvH9NVC7Fa2FUWVtyf-PY5RYgdj3GVxPiGILw6jtOEoZr65mw/s1600/IMG_20140909_101553.jpg) |
Rubber heating process (cycle) for
understanding First law of Thermodynamic for creating a autonomous process. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvGuQsn0A3w4wKhyoL4hOcOjt3wh6R3SDiCce9AIc6vU6-GAU1Rdn4htN4nYxy2tLhdxPzcAw_3pI-eptZWKeVew1_BvTJOEewLcnwRN5_9a2cMgpqkIzqcbut31XNL6I8veCGovj8ZoHB/s1600/VID_20140909_103808.mp4) |
Custom Heat engine example made by Tommy. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjH5pKcKCZzEJTYn4-z2P-DKY7P7WZlS1w6g58ORKotuIHwQoQep077lhr7oSq3wvM-VGfWVYKn0IdPW5fvnnhHTQEpo8tHwB41MT_9S8Iqh3FuT5NXL23WaKr-m8rzQZTHwZ4pA-VDy1WI/s1600/IMG_20140909_103802.jpg) |
Demonstration of Tommy's Heat
Engine. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmwT4S9F_41o6p37ZTW-q9fjBFThfmqWkUW2YWXJJyYnNCNgDuO8ilG2W2E_vjNMFKqVrElfwPEioBH9wHmjuhOVAxyk0FKlQackXAtwoWkO_w011MIi26lXJ7FxAQest64t9D_sdpOvTk/s1600/IMG_20140909_110115.jpg) |
Simple multi-step heat engine calculation for Q, Eint and work. |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg66xOK29QoN580FqlcteHUeTXa-zUjzsI9Ep6hdeQGdRK-GDb5qaF3mAQcX41YuZH_BVrOY2-b2g8fD6qgJ99CTgqHCyuW4KWsjbcC_ij3UGi2iDAJ813e2GkY96KzoTYTFBovjYRKY0m2/s1600/IMG_20140909_112019.jpg) |
List of Possible future test variable to calculate for isothermal prcesses. |
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