30 + BIUAnal textNew RockerRoland MorrisCalorimetry Lab: Exchanging EnergyBackground:When 2 materials (at different temperatures) come in contact, there is a movement of energy fromone to the other. The warmer object will lose energy and the cooler m terial wil gain that energyAs a result, they will reach the same temperature (called equilibrium) since the TOTAL energy ofthe system has not changed, we can use our understanding of calorimetry to find the startingtemperature of the hot object (using Q=mcAT)Research Question:If we are not able to directly measure the temperature of a hot object, can we use the conservationof energy to calculate the temperature when some of its heat is exchanged with an initially coolerobject?Hypothesis:Materials:Safety GogglesDigital ScaleStyrofoam CupBeaker TongsWaterSteel NutPropane TorchLabQuest with Temperature ProbeProcedure:1 Weigh the steel nut and record2. Weigh the empty styrofoam cup and record3. Weigh the styrofoam cup with H,O and record4.Subtract to get the weight of the H,O textNew RockerData:Mass of empty Styrofoam CupMass of Styrofoam Cup AND WaterMass of WaterMass of Steel NutSpecific Heat of WaterSpecific Heat of SteelInitial Temperature of the WaterEquilibrium Temperature of Water & SteelChange of temperature (ATr) of the WaterData Analysis:1. How many joules of heat did the water gain (use Q=MCAT)?2. Using the answer to the previous question, how much energy did the steel nut lose as it cooled off?3. What was the starting temperature of the steel nut (before it was dropped in the water)?4. IN YOUR OPINION: How could this method be used outside the lab?ב

The kinetic energy of the atoms in hot bodies is higher than that of the atoms in cold bodies. To…

Holand Morris Calorimetry Lab: Exchanging Energy Background: When 2 materials (at different temperatures) come in contact, there is a movement of energy from one to the other. The warmer object will lose energy and the cooler m terial wil gain that energy As a result, they will reach the same temperature (called equilbrium) ince the TOTAL energy of the system has not changed, we can use our understanding of calorimetry to find the starting temperature of the hot object (using Q=mcAT) Research Question: If we are not able to directly measure the temperature of a hot object, can we use the conservation of energy to calculate the temperature when some of its heat is exchanged with an initially cooler object? Hypothesis:

Holand Morris Calorimetry Lab: Exchanging Energy Background: When 2 materials (at different temperatures) come in contact, there is a movement of energy from one to the other. The warmer object will lose energy and the cooler m terial wil gain that energy As a result, they will reach the same temperature (called equilbrium) ince the TOTAL energy of the system has not changed, we can use our understanding of calorimetry to find the starting temperature of the hot object (using Q=mcAT) Research Question: If we are not able to directly measure the temperature of a hot object, can we use the conservation of energy to calculate the temperature when some of its heat is exchanged with an initially cooler object? Hypothesis:

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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I A sample of aluminum, which has a specific heat capacity of 0.897 J.g .°C is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The aluminum sample starts off at 85.5 °C and the temperature of the water starts off at 16.0 °C. When the temperature of the water stops changing it's 23.3 °C. The pressure remains constant at 1 atm. Calculate the mass of the aluminum sample. Be sure your answer is rounded to the correct number of significant digits. thermometer. insulated container water sample a calorimeter