Answered You can buy a ready-made answer or pick a professional tutor to order an original one.

QUESTION

The heat energy associated with a change in temperature that does not involve a change in phase is given by q=msΔT

The heat energy associated with a change in temperature that does not involve a change in phase is given by

q=msΔT

where q is heat in joules, m is mass in grams, s is specific heat in joules per gram-degree Celsius, J/(g⋅∘C), and ΔT is the temperature change in degrees Celsius. The heat energy associated with a change in phase at constant temperature is given by

q=mΔH

where q is heat in joules, m is mass in grams, and ΔH is the enthalpy in joules per gram.

Physical constants

The constants for H2O are shown here:

Specific heat of ice: sice=2.09 J/(g⋅∘C)

Specific heat of liquid water: swater=4.18 J/(g⋅∘C)

Enthalpy of fusion (H2O(s)→H2O(l)): ΔHfus=334 J/g

Enthalpy of vaporization (H2O(l)→H2O(g)): ΔHvap=2250 J/g

Part A

How much heat energy, in kilojoules, is required to convert 52.0 g of ice at −18.0 ∘C to water at 25.0 ∘C ?

Express your answer to three significant figures and include the appropriate units

Show more
sengereri
sengereri
  • @
  • 4 orders completed
ANSWER

Tutor has posted answer for $10.00. See answer's preview

$10.00

** **** *** ** follows

************ **** *** ******* ** *******

******** ***** ** fusion

* 25*418*52)= from ** ** ********

total * (209*18*52)+ (334*52) +( *********** 24758 **

or Buy custom answer
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question