nergy is required to change the temperature of.........?

0 ⤊

nergy is required to change the temperature of.........?

How much energy is required to change the temperature of 21.5 g Cu from 27.0 °C to 88.1 °C? The specific heat capacity of copper is 0.385 J/g·K.

a.223 J
b.506 J
c.729 J
d.641 J
e.3.41 × 103 J

2007-05-30 08:03:57 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

88.1C - 27.0C = 61.1deg

21.5gCu x 61.1deg x 0.385J/gCu-deg = 506 (b.)

2007-05-30 08:10:18 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

b.506 J

2007-05-30 08:17:41 · answer #2 · answered by abd elmoniem m 2 · 0⤊ 0⤋