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miss Akunina [59]
3 years ago
10

Si tengo 4litros de agua a 20C, calcula cuantos litros de agua a 32C tengo que agregar para que su temperatura de equilibrio sea

21C.
Physics
1 answer:
elena55 [62]3 years ago
6 0

Answer:

V = 0.364 litros

Explanation:

4 ltr (1000 gm/ltr) = 4000 gm

4000(20) + m(32) = (4000 + m)(21)

4000(20) + m(32) = 4000(21) + m(21)

            m(32 - 21) = 4000(21 - 20)

                       11m = 4000

                          m = 363.6363...gm

363.6363 gm / 1000gm/ltr = 0.3636363... ltr

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