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A random heating question, that randomly picks a material, and then heats it through either one or two phase changes, provides an example graph of the heating with scaled temperature ranges (though not with scaled latent and specific heats), and a table with the suitable constants.
Metadata
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
Contributors
History
Tom Stallard 6 years, 2 months ago
Created this as a copy of Simple heating/phase change.There are 25 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| switcharoo_comment | list |
List of 3 items
|
||||
| switcharoo_type | string |
solid_to_gas
|
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| phase_temp | integer |
0
|
||||
| phase_latentheat | integer |
0
|
| Name | Type | Generated Value |
|---|
| mass_string | string |
9.10 kg
|
| Name | Type | Generated Value |
|---|
| mat_string | string |
Mercury
|
||||
| phase1_temp | integer |
234
|
||||
| phase2_temp | integer |
630
|
||||
| gas_heatcap | integer |
135
|
||||
| phase1_latentheat | integer |
11300
|
||||
| liquid_heatcap | integer |
140
|
||||
| phase2_latentheat | integer |
293000
|
||||
| solid_heatcap | integer |
110
|
| Name | Type | Generated Value |
|---|
| solidheat | number |
18018.0
|
||||
| fusionheat | number |
102830
|
||||
| liquidheat | number |
504504
|
||||
| vapourheat | number |
2666300
|
||||
| gasheat | number |
100737
|
||||
| totalheat | number |
3392389
|
||||
| totalheat_m | number |
3.392389
|
| Name | Type | Generated Value |
|---|
| st_string | string |
216 K
|
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| et_string | string |
712 K
|
| Name | Type | Generated Value |
|---|
| material_list | list |
List of 4 items
|
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| solid_hc_list | list |
[ 2100, 110, 390, 130 ]
|
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| liquid_hc_list | list |
[ 4200, 140, 490, 150 ]
|
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| gas_hc_list | list |
[ 2000, 135, 350, 110 ]
|
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| fusion_lh_list | list |
List of 4 items
|
||||
| vapour_lh_list | list |
List of 4 items
|
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| fusion_temp_list | list |
[ 273, 234, 1357, 1337 ]
|
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| vapour_temp_list | list |
[ 373, 630, 2835, 3243 ]
|
| Name | Type | Generated Value |
|---|
| switcharoo | integer |
1
|
||||
| wat_mat | integer |
1
|
||||
| start_temp | integer |
216
|
||||
| end_temp | integer |
712
|
||||
| k_c_switch | integer |
1
|
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| mass | number |
9.10
|
| Name | Type | Generated Value |
|---|
| advice1 | string |
Heating the solid: $Q = m \tim
|
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| advice2 | string |
Melting the Mercury: $Q = m \t
|
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| advice3 | string |
Heating the liquid: $Q = m \ti
|
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| advice4 | string |
Vaporising the Mercury: $Q = m
|
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| advice5 | string |
Heating the gas: $Q = m \times
|
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| advice0 | string |
The start temperature (216 K)
|
| Name | Type | Generated Value |
|---|
Generated value: list
[ "solid_to_liquid", "solid_to_gas", "liquid_to_gas" ]
This variable doesn't seem to be used anywhere.
Parts
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| Part | Test | Passed? |
|---|---|---|
| Number entry | ||
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This question is used in the following exam: