The specific heat capacity of silver is 0.24 J/°C·g.
(a) Calculate the energy required to raise the temperature of 180.0 g Ag from 273 K to 303 K.
_____________J
(b) Calculate the energy required to raise the temperature of 1.0 mol Ag by 1.0°C (called the molar heat capacity of silver).
_____________J/mol°C
(c) It takes 1.05 kJ of energy to heat a sample of pure silver from 12.0°C to 14.7°C.Calculate the mass of the sample of silver.
_____________g
人气:477 ℃ 时间:2020-04-29 22:53:21
解答
(a)180.0*(303-273)*0.24=1296J
(b)1.0 mol Ag是108g,所以 108*1*0.24=25.92J
(c)1.05*1000/(14.7-12.0)再/0.24=162.04g
推荐
- Explain how to make 5L of 0.15M acetic acid-sodium acetate buffer at pH 5.00 if you have 1.00 Molar acetic acid and crys
- Haemoglobin (Hb) is the protein that transports oxygen in mammals.Hb is 0.342% Fe by mass and each Hb molecule contains
- A mass of 0.1156g of a substance that is composed of carbon,hydrogen and nitrogen is reacted with oxygen.Carbon dioxide(
- 英文的化学题,= =,
- 谁能用英文帮我回答这道化学题?
- 1.有一只玻璃瓶,它的质量为0.1kg,当瓶内装满水时,瓶和水的总质量为0.4kg,用此瓶装金属颗粒若干,瓶和金属颗粒的总质量为0.8kg,若在装金属颗粒的瓶中再装满水时,瓶.金属颗粒和水的总质量为0.9kg,求金属颗粒的质量和密度.
- 一道深刻而困难的应用题
- 意思是什么也没想 什么也没考虑的成语
猜你喜欢
- 已知关于x的方程(x-m)/2=x+m/3与(2x+1)/3=3x-2的解互为倒数,求m的值
- 太阳为什么可以发出强烈的光
- make sure of sth.怎么翻译
- “有什么作用”和写作方法有什么区别
- 如果a大于0,b小于0,那么ab( )0 b分之a( )0 若a小于0,b小于0,则ab( )0?b分之a( )0
- 效应T细胞分泌的抗体是怎样进入发炎部位的
- 已知△ADE∽△DEF,诺△ABC的三边长分别为5cm,6cm,7cm,而△DEF中的一边长为4cm,你能求出△DEF的另外两边的
- 订书机是不省力也不费力的杠杆吗