When changing from one state to another, what happens to particles in terms of energy? Procedure 1. Visit teachchemistry.org/heating-curve. You should see this on your screen. Step 1 Step 2 Step 3 Cik on bue ire Clek eond point en ne Calculate Reet 150 125 100 75 50 50.0 g 25 -a5 T1= T2= 50 Energy Required = 2. On the heating curve above, label the states of matter. Include the state changes. American Association of Chemistry Teachers 3. Choose an initial point on the graph. This is your starting temperature/state. Choose a second point that is the same state. Draw the two particle diagrams in the squares. Explain why the diagrams look the way they do. 4. Calculate the energy required to heat up 65.0 mL of the sample. Show your work. Verify your answer by clicking "Calculate." 5. Choose an initial point on the graph. This is your starting temperature/state. Choose a second point that is a different state. Draw the two particle diagrams in the squares. Explain why the diagrams look the way they do. 6. Calculate the energy required for 30.0 mL of water to undergo this state change. Verify your answer by clicking "Calculate. 7. Pick a point on the ice part of the heating curve. Click on a point about 75 °C warmer. What state is this? Record the T, and T; values. T;= How much energy is required to heat 15.0 g ice to T2? Show your work. T2=, Verify your answer by clicking "Calculate. 8. Pick a point on the liquid part of the heating curve. Click on a point about 75 °C Record the T; and T; values. How much energy is required to heat 15.0 mL of water to T,? Show warmer. What state is this? T,=---- T2= your work. . 9. Why are your answers to questions 7 and 8 not the same? Explain.
When changing from one state to another, what happens to particles in terms of energy? Procedure 1. Visit teachchemistry.org/heating-curve. You should see this on your screen. Step 1 Step 2 Step 3 Cik on bue ire Clek eond point en ne Calculate Reet 150 125 100 75 50 50.0 g 25 -a5 T1= T2= 50 Energy Required = 2. On the heating curve above, label the states of matter. Include the state changes. American Association of Chemistry Teachers 3. Choose an initial point on the graph. This is your starting temperature/state. Choose a second point that is the same state. Draw the two particle diagrams in the squares. Explain why the diagrams look the way they do. 4. Calculate the energy required to heat up 65.0 mL of the sample. Show your work. Verify your answer by clicking "Calculate." 5. Choose an initial point on the graph. This is your starting temperature/state. Choose a second point that is a different state. Draw the two particle diagrams in the squares. Explain why the diagrams look the way they do. 6. Calculate the energy required for 30.0 mL of water to undergo this state change. Verify your answer by clicking "Calculate. 7. Pick a point on the ice part of the heating curve. Click on a point about 75 °C warmer. What state is this? Record the T, and T; values. T;= How much energy is required to heat 15.0 g ice to T2? Show your work. T2=, Verify your answer by clicking "Calculate. 8. Pick a point on the liquid part of the heating curve. Click on a point about 75 °C Record the T; and T; values. How much energy is required to heat 15.0 mL of water to T,? Show warmer. What state is this? T,=---- T2= your work. . 9. Why are your answers to questions 7 and 8 not the same? Explain.
Chemistry
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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
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Transcribed Image Text:When changing from one state to another, what happens to particles in terms of energy?
Procedure
1. Visit teachchemistry.org/heating-curve. You should see this on your screen.
Step 1
Cilk on
n
ue ire
Step 3
Step 2
Clek seond
point en bee
Calculate
Reset
150
125
100
75
50
50.0 g
-25
T1=
T2=
"50
Energy Required =
2. On the heating curve above, label the states of matter. Include the state changes.
American Association of Chemistry Teachers
1
3. Choose an initial point on the graph. This is your starting temperature/state.
Choose a second point that is the same state. Draw the two particle diagrams in the
squares. Explain why the diagrams look the way they do.
4. Calculate the energy required to heat up 65.0 mL of the sample. Show your work.
Verify your answer by clicking "Calculate."
5. Choose an initial point on the graph. This is your starting temperature/state
Choose a second point that is a different state. Draw the two particle diagrams in
the squares. Explain why the diagrams look the way they do.
6. Calculate the energy required for 30.0 mL of water to undergo this state change.
Verify your answer by clicking "Calculate."
7. Pick a point on the ice part of the heating curve. Click on a point about 75 °C
warmer. What state is this?
How much energy is required to heat 15.0 g ice to T2? Show your
work.
Record the T, and T; values.
T1=
T2=
12=-----
Verify your answer by clicking "Calculate."
8. Pick a point on the liquid part of the heating curve. Click on a point about 75 °C
Record the T; and Tz values.
warmer. What state is this?
How much energy is required to heat 15.0 mL of water to T;? Show
your work.
T,=
T2= -
9. Why are your answers to questions 7 and 8 not the same? Explain.
American Association of Chemistry Teachers
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