linhlema2005
02.03.2020 •
Chemistry
A 11.6 g piece of metal is heated to 98°C and dropped into a calorimeter containing 50.0 g of water (specific heat capacity of water is 4.18 J/g°C) initially at 20.5°C. The empty calorimeter has a heat capacity of 125 J/K. The final temperature of the water is 28.2°C. Ignoring significant figures, calculate the specific heat of the metal.
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Ответ:
Answer : The specific heat of the metal is,
Explanation :
Heat released by the reaction = Heat absorbed by the calorimeter + Heat absorbed by the water
where,
q = heat released by the reaction
= heat absorbed by the calorimeter
= heat absorbed by the water
c = specific heat of metal = ?
= specific heat of calorimeter =
= specific heat of water =
= mass of water = 50.0 g
m = mass of metal = 11.6 g
= final temperature =
= temperature of metal =
= temperature of water =
Now put all the given values in the above formula, we get:
Thus, the specific heat of the metal is,
Ответ:
common glass
Explanation:
the test