tajmarswaby10 tajmarswaby10

30-04-2020
Chemistry

contestada

A 250g sample of water with an initial temperature of 98.8oC loses 1794 cal of heat. What is the final temperature of the water?

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mellyxeno mellyxeno

01-05-2020

Answer:

91.62 C

Explanation:

Q = ( m ) ( Csh ) ( T2 - T1 )

T2 = T1 + ( Q ) / ( m ) ( Csh )

T2 = 98.8 C + ( - 7500 J ) / ( 250 g ) ( 4.186 J/g - C )

T2 = 91.6 C

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