I am working on a lab based on thermal heat capacity and specific heat where we

Question

I am working on a lab based on thermal heat capacity and specific heat where we determine the specific heat of metals when placed in boiling water. We started with cool water, and after the water boiling, we put the metals in for 10 minutes. Afterwards, we determined the final temperature of the water. Ther are some following questions I have problems with:

2. If you mixed the hot water with alcohol would you obtain the same results? Explain your answer. Tmetal=(mwatercwaterTwater + malcoholcalcoholTalcohol)/ Mmetalcmetal This equation is what I came up with and I was wondering if it is correct.

i. why was the cool water purposely started below room temperature?

Thank you in advance!

Explanation / Answer

If you mixed hot water with alcohol,we dont get same results ,because the specific heat capacity of cool water and alcohol,both are different so we will get different values

i) if we start with cool water ,then we are given sufficient time and temperature difference to take up the procermalkess i.e to reach thermal equilibrium

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