Question

Name two variable that determine the state of a substance and also write their S.I unit

Answer 1

Answer:

Temperature and pressure determine the state of a substance. A change in temperature or pressure will result in the change of state of the substance. The S.I unit of temperature is Kelvin. However, degree celcius and farenheit are also used as units for temperature. Relations between these units are as follows: Kelvin = celcius + 273. The unit of pressure in the SI system is the pascal (Pa), defined as a force of one Newton per square meter. The conversion between atm, Pa, and torr is as follows: 1 atm = 101325 Pa = 760 torr

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