Zitsanzo zitatu za lamulo la Charles (isobaric/constant pressure)
1. Mu chidebe chotsekedwa, mpweya umakula kotero kuti voliyumu yake imasintha kufika ku voliyumu yake yoyamba katatu (V = voliyumu yoyamba, T = kutentha koyamba). Kutentha kwa mpweya kumasintha kufika ku…
Zokambirana
Ndizodziwika kuti :
Voliyumu yoyamba (V)1) = V
Voliyumu yomaliza (V)2) = 3V
Kutentha koyambirira (T)1) = T
Anafunsa kutentha komaliza (T)2)
Yankhani :
Lamulo la Charles (isobaric kapena njira yokhazikika yokakamiza) :
Kutentha kwa mpweya kumasintha kufika pa kuwirikiza katatu kutentha koyambirira.
2. Mpweya wabwino kwambiri poyamba umakhala ndi voliyumu V ndi kutentha T. Ngati mpweyawo udutsa mu njira ya isobaric kotero kuti kutentha kwake kumakhala kawiri kuposa kutentha koyambirira ndiye kuti voliyumu ya mpweyayo imasintha kukhala ...
Zokambirana
Ndizodziwika kuti :
Voliyumu yoyamba (V)1) = V
Kutentha koyambirira (T)1) = T
Kutentha komaliza (T)2) = 2T
Anafunsa : voliyumu yomaliza (V)2)
Yankhani :
Kuchuluka kwa mpweya kumasintha kufika pa kuwirikiza kawiri kuchuluka koyambirira.
3. Mu chotengera chotsekedwa muli mpweya womwe uli ndi voliyumu ya malita awiri ndi kutentha kwa madigiri 27oC. Ngati voliyumu ya mpweya ifika malita atatu, kutentha kwa mpweya kumakhala...
Zokambirana
Ndizodziwika kuti :
Voliyumu yoyamba (V)1) = malita 2 = 2 dm3 = 2x10 pa-3 m3
Voliyumu yomaliza (V)2) = malita 3 = 3 dm3 = 3x10 pa-3 m3
Kutentha koyambirira (T)1= = 27oC + 273 = 300 K
Anafunsa kutentha komaliza (T)2)
Yankhani :
Kutentha kwa mpweya kumasintha kufika pa 450 Kelvin kapena 177oC.
