Posted by Kristin on Sunday, May 1, 2011 at 4:49pm.
q1 = heat to move ice at -22 to the melting point of zero C.
q1 = mass x specific heat ice x (Tfinal-Tinital)
q2 = heat to convert solid water (ice) at zero C to liquid water at zero C.
q2 = mass x heat fusion.
q3 = heat to move liquid water at zero C to the boiling point at 100 C.
q3 = mass x specific heat water x (Tfinal-Titial)
q4 = heat to convert liquid water at 100 C to steam at 100 C.
q4 = mass water x heat vaporization
q5 = heat to move steam at 100 C to steam at 158 C.
q5 = mass x specific heat steam x (Tfinal-Tinitial)
Total Q = q1 + q2 + q3 + q4 + q5.
Notice that you have only two formulas to memorize. One is for changing phase (at melting and boiling points); the other is with the same phase (from -22 to zero)(from zero to 100) (from 100 to 158). That should keep things simple for you.
Related Questions
CHEMISTRY - One mole of H2O(g) at 1.00 atm and 100 degrees C occupies a volume ...
Chemistry - At 1 atm, how much energy is required to heat 39.0 g of H2O(s) at &#...
Chemistry - At 1 atm, how much energy is required to heat 67.0 g of H2O(s) at &#...
Honors Chem B - Suppose you want to heat a mug of H2O (250ml) from room ...
chemistry - At 1 atm, how much energy is required to heat 49.0 g of H2O(s) at...
Chemistry-Thermochemistry (grade 12) - Thermochemistry determine the final ...
chem - One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L...
anonymous - At 1 atm, how much energy is required to heat 55.0 g of H2O(s) at &#...
Chem - The specific heat capacity of aluminum is .89 J/y degrees C. How much ...
Chem - The specific heat capacity of aluminum is .89 J/y degrees C. How much ...
For Further Reading
