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korko
Questions and answers by visitors named
korko
Questions (12)
The specific heat capacity of gold at 25°C is 1.290×10-1 J/g/K.
For a 5.25×102 g sample of gold, how much will the temperature
3 answers
726 views
The complete combustion of salicylic acid releases 21.90 kJ of energy per gram of salicylic acid. In a particular bomb
3 answers
3,018 views
The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat
2 answers
538 views
A 23.0-g sample of an unknown metal is heated to 91.5°C and is placed in a perfectly insulated container along with 102.g of
2 answers
673 views
Use the following values for the arrows in the drawing: a = 185 J of heat; b = 45 J of heat; c = 115 J of work; d = 40 J of
2 answers
615 views
An electrical heater delivers 4.070 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable
2 answers
599 views
The complete combustion of salicylic acid releases 21.90 kJ of energy per gram of salicylic acid. In a particular bomb
2 answers
670 views
21.90 kJ/g x 0.1182 g = ?q = energy obtained by combusting salicylic acid.
Then calculate the heat capacity of the calorimeter.
2 answers
561 views
heat lost by metal + heat gained by water = 0
[mass metal x specific heat metal x (Tfinal-Tinitial)] + [mass water x specific
2 answers
521 views
Use Hess's Law and a table of heats of formation to determine the enthalpy for the following reaction.
3SO2(g) + 3H2O(g) +
1 answer
458 views
Use Hess's Law and a table of heats of formation to determine the enthalpy for the following reaction.
3SO2(g) + 3H2O(g) +
2 answers
572 views
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the
1 answer
1,018 views
