Posts by Mikky

Total # Posts: 4

Fe with S

enthalpy change
i don't get this, could you explain in details or could u tell me the ans. so i could verify my answer. thanks

enthalpy change
a bunsen burner flame takes 8 minutes to raise 250g of water from 20 degrees to 100 degrees celcius, when the water is in a beaker of mass 100g (c=0.67J/g degrees celcuius). How long will i take to raise the temperature of 200g of glycerin (c=2.43J/g degrees celcius) contained...

Grade 12 Chemistry
If 100g of zinc (c=377J/kg degrees celcius) at 95 degrees celcius is dropped into 60g of water contained in a 100g calorimeter (c=419J/kg degrees celcius) at 20 degrees celcius, what will the final temperature be?