How much heat is required to convert #10g# of ice at #-10^@C# into steam at #100^@C#?
1 Answer
Explanation:
When
- Ice at
#-20°C# to ice at#0°C# - here it continues to be in the same state i.e. ice and hence heat required is#"mass"xx"specific heat"xx"change in temperature"# Specific heat for ice is#0.5# cal/g-°C. - Then from ice at
#0°C# to water at#0°C# and heat required is#"mass"xx"latent heat"# , this latent heat required is for conversion of each unit mass of substance. From ice to water it is#80"cal per gram"# - Water at
#0°C# to water at#100°C# - here it continues to be in the same state i.e. water and hence heat required is#"mass"xx"specific heat"xx"change in temperature"# Specific heat for water is#1# cal/g-°C. - Then from water at
#100°C# to steam at#100°C# and heat required is#"mass"xx"latent heat"# , this latent heat required is for conversion of each unit mass of substance. From water to steam, it is#540"cal per gram"#
Hence, to find heat is required to convert
first calculate heat required to convert
heat required to convert
heat required to convert
heat required to convert
Hence, total heat required is