水的汽化热是多少呢? 水的汽化热为40.8千焦2113/摩尔,5261相当于2260千焦/千克。一般地:使水在其沸点蒸发所需4102要的热量五倍于把等量1653水从1℃加热到100℃所需要的热量。汽化热是一个物质的物理性质。其定义为:在标准大气压(101.325 kPa)下,使一摩尔物质在一定温度下蒸发所需要的热量,对于一种物质其为温度的函数。
水的汽化热是多少呢?
饱和水蒸汽比热容对照表 原发布者:超级狼性生存饱和水蒸汽表(按温度排列)温度绝对压力℃05101520253035404550556065707580859095100105110kPa0.610.871.231.712.333.174.255.627.379.5814.9815.7419.9225.0131.1638.5047.4057.9070.1084.50101.30120.80143.30蒸汽比容m3/kg206.5147.1106.477.957.843.432.9325.2519.5515.2812.0549.5897.6876.2095.0524.1393.4142.8322.3651.9851.6751.4211.212蒸汽密度kg/m30.00480.00680.00940.01280.01720.02300.03040.03960.05110.06540.08300.10430.13010.16110.19790.24160.29290.35310.42290.50390.59700.70360.8254液体焓kJ/kg0.0020.9441.8762.8183.74104.68125.60146.55167.47188.42209.34230.29251.21272.16293.08314.03334.94355.90376.81397.77418.68439.64460.97蒸汽焓kJ/kg2491.32500.92510.52520.62530.12538.62549.52559.12568.72577.92587.62596.82606.32615.62624.42629.72642.42651.22660.02668.82677.22685.12693.5汽化热kJ/kg2491.32480.02468.62457.82446.32433.92423.72412.62401.12389.52378.12366.52355.12343.42331.22315.72307.32295.32283.12271.02258.42245.52232。.