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19. What line segment(s) do the following occur 350 325 300 - 275 250 225 9 200 175 150 - 125 100 75 50 25 -25 - Time (s) a. Is LIQUID only - w to z b. Vaporization (boiling) - x to y c. Freezing (solidification) - w to z d. Is SOLID only - u to z e. Is BOTH gas and liquid- x to y f. Condensation - y to z g. Melding - v to w h. Is GAS only- y to z i. Is BOTH solid and liquid- v to w j. Corresponds to the greatest increase in kinetic energy? Y to z 20. Give the specific temperature for a. the freezing point b. the boiling point c. the melting point d. condensation point (5) aunjeedwe

19. What line segment(s) do the following occur 350 325 300 - 275 250 225 9 200 175 150 - 125 100 75 50 25 -25 - Time (s) a. Is LIQUID only - w to z b. Vaporization (boiling) - x to y c. Freezing (solidification) - w to z d. Is SOLID only - u to z e. Is BOTH gas and liquid- x to y f. Condensation - y to z g. Melding - v to w h. Is GAS only- y to z i. Is BOTH solid and liquid- v to w j. Corresponds to the greatest increase in kinetic energy? Y to z 20. Give the specific temperature for a. the freezing point b. the boiling point c. the melting point d. condensation point (5) aunjeedwe

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1:56 1 LTE least temperature difference. 18. Using the concept of specific heat explain why the sand at the beach is hotter than the water? Sand has a lower specific heat than water, Water is amongst the substances with the highest specific heat, thus, when it is heated by the sun, the increase in temperature is small in comparison to that of sand, which has a lower specific heat capacity, and thus is heated up to a higher temperature. This is why sand at the beach is hotter than the water. Use the diagram to the right to answer the following questions 19. What line segment(s) do the following occur 350 - 325 - 300 275 250 225 200 175 150 - 125 - 100 - 75 - 50 - V 25 0 - -25 Time (s) Is LIQUID only - w to z b. Vaporization (boiling) - x to y c. Freezing (solidification) - w to z d. Is SOLID only - u to z e. Is BOTH gas and liquid- x to y f. Condensation - y to z а. g. Melding - v to w h. Is GAS only- y to z i. Is BOTH solid and liquid- v to w j. Corresponds to the greatest increase in kinetic energy? Y to z 20. Give the specific temperature for the freezing point b. the boiling point c. the melting point d. condensation point а. Temperature ("C)
Transcribed Image Text:1:56 1 LTE least temperature difference. 18. Using the concept of specific heat explain why the sand at the beach is hotter than the water? Sand has a lower specific heat than water, Water is amongst the substances with the highest specific heat, thus, when it is heated by the sun, the increase in temperature is small in comparison to that of sand, which has a lower specific heat capacity, and thus is heated up to a higher temperature. This is why sand at the beach is hotter than the water. Use the diagram to the right to answer the following questions 19. What line segment(s) do the following occur 350 - 325 - 300 275 250 225 200 175 150 - 125 - 100 - 75 - 50 - V 25 0 - -25 Time (s) Is LIQUID only - w to z b. Vaporization (boiling) - x to y c. Freezing (solidification) - w to z d. Is SOLID only - u to z e. Is BOTH gas and liquid- x to y f. Condensation - y to z а. g. Melding - v to w h. Is GAS only- y to z i. Is BOTH solid and liquid- v to w j. Corresponds to the greatest increase in kinetic energy? Y to z 20. Give the specific temperature for the freezing point b. the boiling point c. the melting point d. condensation point а. Temperature ("C)
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