college physics

posted by .

calculate the specific heat of 200g of substance whose temperature is 30 degree celcius if it is mixed with 200g of water heated in a 300g iron container at 100 degree celcius. the final temperature of the mixture is 98 degree celcius.

  • college physics -

    In any closed system, the sum of heats gained is zero.

    Heatsubstance+heatiron+heat water=0
    200*c*(98-30)+300ciron*(98-100)+200cwater*(98-100)=0

    look up the spec heat for iron, water, and solve for c.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. college physics

    calculate the specific heat of 200g of substance whose temperature is 30 degree celcius if it is mixed with 200g of water heated in a 300g iron container at 100 degree celcius. the final temperature of the mixture is 98 degree celcius.
  2. physics

    In lab you submerge 100 g of 41 degree Celcius iron nails in 100 g of 25 degree Celcius water (the specific heat of iron is 0.12 cal/g degrees Celcius) A)Equate the heat gained by the water to the heat lost by the nails and find the …
  3. physics

    a 200g aluminum container has 500g of water with an initial temperature of 22 degree celsius. The following heated pieces of metal are dropped into water at the same time as follows: 300g piece of aluminum heated at 100 degree celsius; …
  4. physics

    a 200g aluminum container has 500g of water with an initial temperature of 22 degree celsius. The following heated pieces of metal are dropped into water at the same time as follows: 300g piece of aluminum heated at 100 degree celsius; …
  5. Physics

    what is the final temperature of mixture, if 100gm of ice at 0 degree celcius into 100gm of water at 20 degree celcius in an iron vessel of mass 100gm.(specific heat of iron=0.1)
  6. Heat Energy

    1. (a) 500g of copper is heated from 30 degree celcius - 120 degree celcius?
  7. Heat energy

    CORRECTION (a). 500g of copper is heated from 30 degree celcius to 120 degree celcius, what is the quantity of heat supplied?
  8. chemistry

    100g of stea initial at 100 degree celcius is passed through a calorimeter containing 1kg of water at 20 degree celcius. Assuming no heat loose and negligible heat capacity of the calorimeter, calculate the final temperature of the …
  9. physics

    A copper of mass 400g is heated until it's temperature becomes 250 degree celcius.it is dropped into water weighing 200g at 50 degree celcius.calculate the mass of water vapour produced.
  10. physics

    the temperature of 500g of a certain metal is raised to 100 degre celcius and it is then placed in 200g of water at 15 degre celcius.if the final steady temperature raises to 21 degre celcius,calculate the specific heat capacity of …

More Similar Questions