A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing 40.0 g of water at an initial temperature of 22.0°C. The water reached a final maximum temperature of 24.6°C. Calculate the specific heat of the metal in units of J/(mol x °C). (do not enter units for this question) 3 significant digits QUESTION 19 A piece of lead, which has a known specific heat of 0.158 J/(mol x °C), was heated to 99.5°C, then placed into a calorimeter containing 50.0 g of water at an initial temperature of 23.0°C. The water reached a final maximum temperature of 26.1°C. Calculate the mass of lead in units of grams. (do not enter units for this question) 3 significant digits

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please answer 18 and 19

QUESTION 18
A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing 40.0 g of water at an initial temperature of 22.0°C. The water reached a final
maximum temperature of 24.6°C. Calculate the specific heat of the metal in units of J/(mol x °C). (do not enter units for this question)
3 significant digits
QUESTION 19
A piece of lead, which has a known specific heat of 0.158 J/(mol x °C), was heated to 99.5°C, then placed into a calorimeter containing 50.0 g of water at an initial temperature of
23.0°C. The water reached a final maximum temperature of 26.1°C. Calculate the mass of lead in units of grams. (do not enter units for this question)
3 significant digits
Transcribed Image Text:QUESTION 18 A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing 40.0 g of water at an initial temperature of 22.0°C. The water reached a final maximum temperature of 24.6°C. Calculate the specific heat of the metal in units of J/(mol x °C). (do not enter units for this question) 3 significant digits QUESTION 19 A piece of lead, which has a known specific heat of 0.158 J/(mol x °C), was heated to 99.5°C, then placed into a calorimeter containing 50.0 g of water at an initial temperature of 23.0°C. The water reached a final maximum temperature of 26.1°C. Calculate the mass of lead in units of grams. (do not enter units for this question) 3 significant digits
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