Temperature and Thermal Energy Answers

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements. The independent variables in Part I, the ones intentionally manipulated, are the . The independent variable in Part II, the one that is intentionally manipulated, is the . The dependent variable for both Parts I and II, the one that you measure the response in, is the .

mass✔ type of materialX temperature

masstype of material✔ temperature

Based on what you have learned about the units for measuring thermal energy, complete the following passage. The unit often used in chemistry and physics to measure energy, such as for work or electrical current, is the . We can also use this unit, as we did in this lab, for measuring . This is a property that is quantified by the energy needed per of material to raise the temperature by one . The unit for this measure is therefore .

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When using a calorimeter, the initial temperature of a metal is 70.4C. The initial temperature of the water is 23.6C. At the end of the experiment, the final equilibrium temperature of the water is 29.8C. What is the final temperature of the metal? C What is the temperature change of the water? C What is the temperature change of the metal? C

Which graph best demonstrates the general relationship between mass and temperature, similar to the trend of thermal energy absorbed by your sand and water samples?

In an experiment, 50 g of each material were placed in a calorimeter with the same starting water volume and temperature. Which is the best interpretation of the chart?

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Use this chart showing the different specific heat of various materials to answer the questions. Which material has the highest specific heat? Which material has the lowest specific heat? Which material has the ability to absorb twice as much heat as aluminum when placed in the same environment of mass and temperature?

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