Ethanol (C2H5OH) melts at -114 C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97J / gK and 2.3 J / gK, respectively. How much heath (kJ) is needed to convert 25.0 g of solid ethanol at -125 C to liquid ethanol at -80 C?

answer

watching

810

views

For unlimited access to Homework Help, a Homework+ subscription is required.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

Hubert KochLv2

17 Dec 2019

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Join us on Discord

Chemistry Study Group

Join now

Related questions

How much heat energy is required to convert 67.9 g of solid ethanol at -114.5 Â°C to gasesous ethanol at 183.0 Â°C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 Â°C and a normal boiling point of 78.4 Â°C. The specific heat capacity of liquid ethanol is 2.45 J/gÂ·Â°C and that of gaseous ethanol is 1.43 J/gÂ·Â°C.

redfly839

How much heat energy is required to convert 22.8 g of solid ethanol at -114.5 Â°C to gasesous ethanol at 130.5 Â°C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 Â°C and a normal boiling point of 78.4 Â°C. The specific heat capacity of liquid ethanol is 2.45 J/gÂ·Â°C and that of gaseous ethanol is 1.43 J/gÂ·Â°C.

sangriamosquito878

The enthalpy change for converting 10.0 g of ice at -25.0Â°C to water at 80.0Â°C is __________ kJ. The specific heats of ice, water, and steam are 2.09 J/gK, 4.18 J/gK, and 1.84 J/gK, respectively. For H2O, ÎHfus = 6.01 kJ/mol, and ÎHvap = 40.67 kJ/mo

Weekly leaderboard

Home

Homework Help 3,900,000

Chemistry 830,000

Ethanol (C2H5OH) melts at -114 C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97J / gK and 2.3 J / gK, respectively. How much heath (kJ) is needed to convert 25.0 g of solid ethanol at -125 C to liquid ethanol at -80 C?

Unlock all answers

Related textbook solutions

Basic Chemistry

Principles of Chemistry Molecular Approach

Chemistry: Structure and Properties

Principles of Chemistry Molecular Approach

Chemistry: A Molecular Approach

Chemistry: A Molecular Approach

Principles of Chemistry: A Molecular Approach

Chemistry: The Central Science

Related questions

Weekly leaderboard