Question

Observe the temperature of water and wax at different situations. Let us assume that water and wax are in thermal contact in all situations : Substance Situations 1 2 3 4 5 Water 75° C 80° C 85 K 20 K 30° C Wax 43° C 333 K 85° C 40 K 30K Answer the following questions from the above data. i) In which situation heat flows from water to Wax ? _______________________________________ ii) In which situations heat flows from wax to water ? _________________________________________ iii) In which situations water and wax are in thermal equilibrium ?

Answer 1

Answer:

What is the final temperature when 42.3 g of water at 0.0 °C and 255.8 grams of water at 76.78 °C are mixed? The technique covered in worksheet #1 is used and the answer the ChemTeam gets is 65.9 °C.