questions 1 if one assumes that the specific heat of water doesn t cha
1) If one assumes that the specific heat of water doesn't change with temperature, what result
would you expect for part C? Calculate your % error based on this value and comment on
possible sources of error.
2) At 100°C, the heat capacity of water is actually 4.2157 J/g °C. Calculate your % error based on this
[0.5]/n3) Assume that the density of water is 0.998 g/mL. Calculate the amount of water lost to
evaporation when you heated the water in part C.
4) Would having some of the water splash out when the metal was dropped into the
calorimeter erroneously increase or erroneously decrease the reported specific heat? Explain. 
5) There are 4,184 joules in a food Calorie (note the capital "C"). A 70.-gram serving of
Kraft® Macaroni and Cheese contains 16 grams of carbohydrate (4.0 Cal/g), 3.0 grams of fat (9.0
Cal/g), and 9.0 grams of protein (4.0 Cal/g). Calculate the temperature increase of 2.0 kg of water if
all of the food energy in 150.0 grams of Kraft Macaroni and Cheese goes entirely into heating
10/n6) When 49.834 grams of a metal at 100.0°C is added to 46.497 grams of water at 23.2°C,
the temperature of the water increases to 25.6°C. If the metal comes from the list below, what is
the identity of the metal?
Metal specific heat
0.436 cal/g °C
0.092 cal/g °C
0.030 cal/g °C
0.056 cal/g °C
0.243 cal/g °C
0.108 cal/g °C
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