Edexcel IGCSE Physics 5.17 Kelvin scale
Practise converting Celsius temperatures for water, steam and gases into kelvin values, using the correct offset and K units.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- convert °C readings for water, steam or gas into kelvin by adding 273
- give the final temperature with K units and sensible rounding,
5.17 Kelvin scale question 1
A student uses a computer simulation to investigate the motion of particles in a gas.
He records the pressure of the gas and the mean speed of the particles in the gas at different temperatures.
The graphs show his results.
Graph 1
Graph 2
The student then calculates the kinetic energy of a single gas particle at each temperature.
Calculate the temperature of the gas in kelvin when its temperature is 100 degrees C.
temperature = ............ K
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