Lab lesson 3 (IP3)
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Difference between luminous flames and non-luminous flames. Kinda hard to remember though.
The first has a yeallow flame whilt the latter has a blue/clear flame.
for heating you want non-lumnous flame for efficiency - light is lost energy from the burning process.
All you need to produce a non-luminous flame is some way to get a lot of oxygen to the flame. You can also do it by burning up a compound that doesn’t need as much oxygen to burn. Examples of things that can produce non-luminous flames include the bunsen burners (which generally burn methane) . The torches that the olympic runners carry are also sometimes non-luminous. Examples of luminous flames are the more familiar ones - burning wood, candles, etc.
Fun fact - The flame of the actual Olympic cauldron is also typically luminous.
Reflection:
Although in this laboratory lesson, i did not really notice the difference between a luminous flame and a non-luminous flame but after the teacher telling us what to watch out for and STARING INTENTLY at the flame did I notice what the teacher was talking about.
I actually thought the non-luminous flame would not be as hot was the luminous flame as non sounded as if it was not so yeeahh. Furthermore, non-luminous flames are coloured in blue. Blue=water? :O
After this laboratory leson i could tell the difference pretty easily
_______´$$$$$$$`_________________________´$$$`
________`$$$$$$$`______,,________,,_______´$$$$´
_________`$$$$$$$`____´$$`_____´$$`____´$$$$$´
__________`$$$$$$$`_´$$$$$`_´$$$$$`__´$$$$$$$´a
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_______`$$$$$$$$$$$$,___,$$$$,_____,$$$$$´_
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__________`$$$$$$$$$$$$$$$$$$$$$$$$$$$´_
____________`$$$$$$$$$$$$$$$$$$$$$$$$´_
_______________`$$$$$$$$$$$$$$$$$$$$´_
Difference between luminous flames and non-luminous flames. Kinda hard to remember though.
The first has a yeallow flame whilt the latter has a blue/clear flame.
for heating you want non-lumnous flame for efficiency - light is lost energy from the burning process.
All you need to produce a non-luminous flame is some way to get a lot of oxygen to the flame. You can also do it by burning up a compound that doesn’t need as much oxygen to burn. Examples of things that can produce non-luminous flames include the bunsen burners (which generally burn methane) . The torches that the olympic runners carry are also sometimes non-luminous. Examples of luminous flames are the more familiar ones - burning wood, candles, etc.
Fun fact - The flame of the actual Olympic cauldron is also typically luminous.
Reflection:
Although in this laboratory lesson, i did not really notice the difference between a luminous flame and a non-luminous flame but after the teacher telling us what to watch out for and STARING INTENTLY at the flame did I notice what the teacher was talking about.
I actually thought the non-luminous flame would not be as hot was the luminous flame as non sounded as if it was not so yeeahh. Furthermore, non-luminous flames are coloured in blue. Blue=water? :O
After this laboratory leson i could tell the difference pretty easily
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