close
標題:

Heat (quick)

發問:

此文章來自奇摩知識+如有不便請留言告知

1.) THe temperature of tap water is 20*C. During a bath, John fills a 320L bathtubwith water at 40*C. HOw much energy is used to raise the water temperature? (Specific heat capacity of water =4200 J Kg*-1*C*-1 and Density of water =1Kg L^-1)

最佳解答:

Mass of water = 320 L * 1kg L^-1 = 320kg Energy to raise 320 L from 20deg.C to 40deg.C = 4200 J kg^-1 C^-1 * 320kg * (40-20) = 26880 kJ

其他解答:A9A3995907B431A4
arrow
arrow
    文章標籤
    伯仁 文章 奇摩
    全站熱搜
    創作者介紹
    創作者 xhwmjv0 的頭像
    xhwmjv0

    部落格

    xhwmjv0 發表在 痞客邦 留言(0) 人氣()