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1. At points B and D the water is going through a phase change. During the phase changes, what is happening to the temperature and
   1. 9 answers
   2. 122 views
2. CHECK MY ANSWERS PLEASE1.When an exothermic phase change occurs, such as freezing water into ice crystals, where does the energy
   1. 1 answer
   2. asked by heyo ❄
   3. 477 views
3. Ethanol (C2H5OH) melts at -114 oC and boils at 78 oC. The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of
   1. 1 answer
   2. asked by RPatel
   3. 2,269 views
4. f the ΔH of fusion for aluminum is 10.9 kJ/mol and the ΔH of vaporization is 284 kJ/mol, then what is the change in entropy
   1. 0 answers
   2. asked by Jason
   3. 548 views
5. find change in enthalpy and change in entropy when liquid water at 30¡ãc is converted to steam at 40 bar,375¡ãc.
   1. 0 answers
   2. asked by yajju
   3. 532 views
6. This graph in the figure (Figure 1) shows how the temperature of an initially solid sample changes as time goes by when it is
   1. 1 answer
   2. asked by deeyn
   3. 2,979 views
7. What is w when 1.27 kg of H2O(l), initially at 25.0oC, is converted into water vapour at 133oC against a constant external
   1. 1 answer
   2. asked by abby
   3. 1,244 views
8. A mass m = 0.068 kg of benzene vapor (Lv = 3.94x105 J/kg) at its boiling point of 80.1°C is to be condensed by mixing with
   1. 1 answer
   2. asked by ODU
   3. 3,187 views
9. Ice at -10degrees celcius and steam at 130 degrees celcius are brought together at atmospheric pressure in a perfectly insulated
   1. 0 answers
   2. asked by Elifolet
   3. 1,039 views
10. Using the following data calculate Delta Sfus and Delta Svap for K in J/mol-kTm(K) = 336, Delta H Fus(kJ/mol) = 2.33, Tb (K) =
    1. 2 answers
    2. asked by Katherine
    3. 11,389 views
11. For Ethanol, change in H vapor = 38.7 kj/mol at 78 degrees Celsius, it's boiling point. Calculate change in S for the
    1. 1 answer
    2. asked by miranda
    3. 1,288 views
12. what is the entropy change that occurs when 500g of water ice melts at 0 degrees celsius and 1 atm. the heat of fusin for water
    1. 1 answer
    2. asked by steven
    3. 709 views
13. Some heat is supplied to a mixture of ice and liquid water in a closed container and the contents of the container are
    1. 3 answers
    2. asked by S
    3. 1,568 views
14. A mole of liquid water is vaporized at 100 degree C and 1 atm. Th heat of vaporization is 40.7 kJ/mol. What are the values of
    1. 0 answers
    2. asked by Laura
    3. 737 views