Need someone to check the work as well as assist with Qmetal and -Qwater any hin

ID: 1006550 • Letter: N

Question

Need someone to check the work as well as assist with Qmetal and -Qwater any hints on the metal would be nice as well.

Thanks

Data Table 2: Specific Heat Data

Trail 1: Time (minutes)

Trial 1: Temp (C*)

Trial 2: Time (minutes)

Trial 2: Temp (C*)

Trial 3: Time (minutes)

Trial 3: Temp (C*)

Metal: Initial

Calorimeter: Initial

Calorimeter + Metal 1 min

Calorimeter + Meal 2 min

Calorimeter + Metal 3 min

Calorimeter + Metal 4 min

Calorimeter + Metal 5 min

Delta T for water

Delta T for metal

Mass of water (g): 40g Specific Heat Capacity of Water (J/g*C) 4.186

Calculation for Qwater: 4.186 x 40 x 1 = 167.44J

Mass of Metal (g): 28.9g Qmetal = - Qwater =

Calculation for Csp of metal (Trial 1)

167.44/2880 = 0.058J/g*C

Calculation for Csp of metal (Trial 2)

167.44/2920 = 0.057J/g*C

Calculation for Csp of metal (Trial 3)

167.44/2920 = 0.057J/g*C

Average Csp of metal: 0.057J/g*C (Traial 1 Csp + Trial 2 Csp + Trial 3 CSp / 3= Average Csp )

Identity of metal (extra credit):

Include evidence/explanation below

Trail 1: Time (minutes)

Trial 1: Temp (C*)

Trial 2: Time (minutes)

Trial 2: Temp (C*)

Trial 3: Time (minutes)

Trial 3: Temp (C*)

Metal: Initial

Calorimeter: Initial

Calorimeter + Metal 1 min

Calorimeter + Meal 2 min

Calorimeter + Metal 3 min

Calorimeter + Metal 4 min

Calorimeter + Metal 5 min

Delta T for water

Delta T for metal

Explanation / Answer

Q metal = mass of metal * specific heat of metal* temperature difference= -Q water= 40*4.186*1= 167.44 joules

for trial-1

167.44= 28.9* Cp* 72 , Cp =167.44/(28.9*72)=0.080 J/g.deg.c

for trial-2 Cp = 167.44/(28.9*73)=0.079 J/g.deg.c

this is also the specifc heat for the third trial and hence the calculations on specific heat of metal is incorrect and specific heat= (0.080+0.079+0.079)/3=0.0793 j/g.deg.c

the specific heat is close to that of Yttrium whos specific heat is close to Uranium.

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Need someone to check the work as well as assist with Qmetal and -Qwater any hin

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