In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat of a solid, or to measure the energy of a solution phase reaction. A student heats 61.54 grams of magnesium to 97.62 °C and then drops it into a cup containing 84.30 grams of water at 23.54 °C. She measures the final temperature to be 35.04 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.77 J/°C. Assuming that no heat is lost to the surroundings calculate the specific heat of magnesium. Specific Heat (Mg) = J/g°C. Thermometer Water- Metal- Stirring rod

In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat of a solid, or to measure the energy of a solution phase reaction. A student heats 61.54 grams of magnesium to 97.62 °C and then drops it into a cup containing 84.30 grams of water at 23.54 °C. She measures the final temperature to be 35.04 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.77 J/°C. Assuming that no heat is lost to the surroundings calculate the specific heat of magnesium. Specific Heat (Mg) = J/g°C. Thermometer Water- Metal- Stirring rod

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Sagar.p p00

In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used
to determine the specific heat of a solid, or to measure the energy of a solution phase reaction.
A student heats 61.54 grams of magnesium to 97.62 °C and then drops it into a cup containing
84.30 grams of water at 23.54 °C. She measures the final temperature to be 35.04 °C.
The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was
determined in a separate experiment to be 1.77 J/°C.
Assuming that no heat is lost to the surroundings calculate the specific heat of magnesium.
Specific Heat (Mg)
J/g°C.
Water
Thermometer
Metal-
sample
Stirring rod

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