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experiment 1: determination of specific heat of a metal Data Sheet Table 2. Mass Mass (g)...

experiment 1: determination of specific heat of a metal

Data Sheet

Table 2. Mass

Mass (g)

Water

49.2 g

Unknown Metal Strip

9.6 g

Table 3. Temperature Data

Time

Temperature (°C)

Trial 1

Temperature (°C)

Trial 2

Temperature (°C)

Trial 3

Initial Temp Water

(Ti (water))

16 C

17 C

17 C

Initial Temp Metal

(Ti (metal))

76 C

86 C

85 C

1 minute

17 C

17 C

17.5 C

2 minutes

17 C

17 C

17.5 C

3 minutes

17 C

17.5 C

17.5 C

4 minutes

17 C

17.5 C

17.5 C

5 minutes

17 C

18 C

17.5 C

Table 4. Specific Heat Calculations

Calculation

Trial 1

Trial 2

Trial 3

Highest Water Temp

17 C

18 C

17.5 C

ΔTwater = Thighest water – Ti (water)

1 C

1 C

.5 C

ΔTmetal = Thighest water – Ti (metal)

-59 C

-68 C

-68 C

Water Specific Heat

4.186 J/g°C

4.186 J/g°C

4.186 J/g°C

Heat Water Absorbed

(qwater = mwater• Cwater• ∆Twater)

207.6 J

207.6 J

103.8 J

Heat Lost by Metal

(-qmetal=qwater)

-207.6

-207.6

-103.8

Metal Specific Heat

(qmetal = mmetal• Cmetalr• ∆Tmetal)

I am having problems with the last row as I am not sure how to find the specific heat capacity of the unknown metal. How would I be able to find this?

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Answer #1

1. As given in the question -& metal = q water :>> 9 meted = 4wooster =-(-207.6) for Twicel L. = 207.6 J Now, a metal = Minet

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