簡約 754.18 J/(gC)(55-25)

解

簡約

75 \cdot 4.18 \frac{J}{g ^{\circ} C} \cdot (55 - 25)

\frac{9405 J}{C g ^{\circ}}

解答ステップ

75 \cdot 4.18 \cdot \frac{J}{g ^{\circ} C} (55 - 25)

数を引く:

55 - 25 = 30

= 75 \cdot 30 \cdot 4.18 \cdot \frac{J}{C g ^{\circ}}

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= 4.18 \cdot \frac{75 \cdot 30 J}{C g ^{\circ}}

数を乗じる:

75 \cdot 30 = 2250

= 4.18 \cdot \frac{2250 J}{C g ^{\circ}}

分数を乗じる:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{2250 J \cdot 4.18}{C g ^{\circ}}

数を乗じる:

2250 \cdot 4.18 = 9405

= \frac{9405 J}{C g ^{\circ}}