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by BlastRoom
Read temperature-time curves to identify phases, phase changes, and heat transfer.
#physics
50 questions
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Use the heating curve. The intervals between adjacent points are segments A-E from left to right. During which segment is the sample entirely liquid?
Use the heating curve with segments A-E from left to right. Which segment shows a mixture of solid and liquid?
On this heating curve, segments A-E run left to right. During which segment is the sample a gas only?
The heating curve's five intervals are segments A-E from left to right. Which segment shows the sample entirely solid?
Use the heating curve. Segments A-E run left to right. Which segment contains both liquid and gas?
On the heating curve, intervals A-E run from left to right. Which segment shows liquid warming with no phase change?
Use the heating curve with segments A-E from left to right. Which segment is the melting interval?
On this heating curve, segments A-E run left to right. Which segment shows gas warming after boiling is complete?
Use the heating curve. Segments A-E are the intervals from left to right. Which segment contains both liquid and gas?
On the heating curve, intervals A-E run left to right. Where is the substance entirely liquid?
Use the heating curve with segments A-E from left to right. Which segment shows a solid sample before melting starts?
On this heating curve, segments A-E run left to right. Which segment shows only liquid particles, not solid or gas?
Use the heating curve. Segments A-E run from left to right. Which segment is a solid-liquid mixture?
On the heating curve, intervals A-E run left to right. In which segment is the sample vapor with no liquid present?
Use the heating curve. Segments A-E run left to right. During segment B, what happens to the energy delivered by the heater?
On the heating curve, segment D is the upper plateau. Which statement best describes the sample during segment D?
Use the cooling curve. Segments A-E run left to right. What is happening during segment B?
On this cooling curve, segments A-E run left to right. During segment D, which energy change is occurring?
Use the heating curve with segments A-E from left to right. Which segment is the lower-temperature phase change?
On the heating curve, segments A-E run left to right. Which phase change occurs during segment D?
Use the heating curve. Segment B is flat while the heater keeps delivering energy. Which statement is correct?
On the heating curve, segments A-E run left to right. Which segment is a phase change at -20 °C?
Use the heating curve with segments A-E left to right. What happens during segment D?
Use the cooling curve. Segments A-E run left to right. What is true during segment D?
Use the cooling curve with segments A-E left to right. Which segments are phase changes?
On the heating curve, segment D is flat while heat is added. Which statement best distinguishes heat from temperature?
Use the graph; intervals A-E run left to right. A 0.50 kg sample has c = 800 J/(kg·°C). How much energy is absorbed in segment A?
Use the graph; segments A-E run left to right. A 0.50 kg liquid has c = 2400 J/(kg·°C). Find the heat absorbed in segment C.
Use the graph; intervals A-E run left to right. For a 0.20 kg solid with c = 900 J/(kg·°C), what heat is absorbed in segment A?
Use the graph; segments A-E run left to right. A 0.20 kg gas has c = 2000 J/(kg·°C). How much heat is absorbed in segment E?
Use the graph; intervals A-E run left to right. A 0.15 kg liquid has c = 1000 J/(kg·°C). What energy is absorbed in segment C?
Use the graph; segments A-E run left to right. A 0.15 kg solid has c = 2000 J/(kg·°C). How much heat is absorbed in segment A?
Use the graph; intervals A-E run left to right. A 0.40 kg liquid has c = 500 J/(kg·°C). Find the heat absorbed during segment C.
Use the graph; segments A-E run left to right. A 0.40 kg gas has c = 750 J/(kg·°C). What heat is absorbed in segment E?
Use the graph; intervals A-E run left to right. For a 0.25 kg sample with c = 4200 J/(kg·°C), how much heat is absorbed in segment A?
Use the graph; segments A-E run left to right. A 0.25 kg liquid has c = 1800 J/(kg·°C). Find the heat absorbed in segment C.
Use the heating curve. Its segments A-E run left to right. At constant heater power, what do the slopes of segments A and C show?
Use the heating curve. Its segments A-E run left to right. At constant heater power, comparing segments C and E, which phase has the greater specific heat capacity?
Use the heating curve. Its segments A-E run left to right. At constant power, which segment shows the greater specific heat capacity, A or C?
Use the heating curve. Its segments A-E run left to right. If heater power is constant, what does the longer plateau mean?
Use the heating curve. Its segments A-E run left to right. Which phase change takes more energy at the same heater power?
Use the cooling curve. Its segments A-E run left to right. With the same cooling power, which phase has greater c, the gas in segment A or the liquid in segment C?
Use the cooling curve. Segment C drops 70 °C in 12 min, and segment E drops 20 °C in 4 min. Which segment shows the greater specific heat capacity?
Use the heating curve. Its segments A-E run left to right. At constant heater power, which phase needs more energy per kg per °C, the solid in segment A or the liquid in segment C?
On a heating curve for a pure substance, what does a horizontal plateau represent?
During a heating plateau, which particle quantity stays constant?
What happens to a pure substance on a cooling-curve plateau?
When should Q = mcΔT be used for a heating or cooling curve?
Which statement correctly distinguishes heat from temperature?
At equal mass and equal heater power, a phase with a larger specific heat capacity will show what on a temperature-time graph?
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The Gas Laws
30 questions
