Respostas
\[\]
eqalign{
& {m_1} + {m_2} = 10 \cr
& {m_1} = 10 - {m_2} \cr
& \cr
& {q_1} = mc\Delta T \cr
& {q_1} = {m_1} \cdot 1 \cdot \left( {26 - 20} \right) \cr
& {q_1} = 6{m_1} \cr
& \cr
& {q_2} = {m_2}c\Delta T \cr
& {q_2} = {m_2} \cdot 1 \cdot \left( {26 - 80} \right) \cr
& {q_2} = - 54{m_2} \cr
& \cr
& {q_1} + {q_2} = 0 \cr
& 6{m_1} - 54{m_2} = 0 \cr
& 60 - 6{m_2} - 54{m_2} = 0 \cr
& - 60{m_2} = - 60 \cr
& {m_2} = 1{\text{ L}} \cr
& \cr
& {m_1} = 10 - {m_2} \cr
& {m_1} = 10 - 1 \cr
& {m_1} = 9{\text{ L}} \cr
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