Question
If 40 g of KNO3 is dissolved in 100 mL of water at 25 degrees celisus, what will the final temperature be?
Answers
bobpursley
Heat of solution KNO3 :NH4Cl = 8.340Kcal/mole
heat released= 40g/molmassKNO3 * 8.340Kcal
100ml water needs 100 cal to go up one degree C, so
tempfinal-25=heatreleased/100
heat released= 40g/molmassKNO3 * 8.340Kcal
100ml water needs 100 cal to go up one degree C, so
tempfinal-25=heatreleased/100