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- m_vand=m_(skål+vand)-m_skål
- m_vand=0,2732kg-0,0807kg=0,1925kg
- m_vand=m_(skål+vand+is)-m_(skål+vand)
- m_vand=0,2885kg-0,2732kg=0,0153kg
- ∆t_vand= t_(skål+vand+is)-t_(skål+vand)
- ∆t_vand= 21,8℃-30,8℃=-9,0℃
- Q_skål=m_Al*m_skål*∆t_skål
- Q_skål=900 J/(kg℃)*0,0807kg*(-9℃)=-653,7J
- Q_vand=c_(H_2 O)*m_vand*∆t_vand
- Q_vand=4180 J/(kg℃)*0,1925kg*21,8℃=-7241,85J
- Q_smeltevand=C_(h_2 o)*m_is*∆t_smeltevand=C_(h_2 o)*m_is*(t_slut-0℃)
- Q_smeltevand=4180 J/(kg℃)*0,0153kg*(21,8℃-0℃)=1394,1972J
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