What is an absolute temperature scale? How are degrees Celsius related to kelvin

Question

What is an absolute temperature scale? How are degrees Celsius related to kelvins? Define density. Describe some uses of density. Why should units be carried along with numbers in a calculation? When the quantity 12.9 g is added to 2 Times 10^-02 g, how many significant figures should be reported in the answer? one two three four five You perform an experiment in the lab and determine that there are 36.3 inches in a meter. Using this experimental value, how many millimeters are there in 1.34 feet? 4.43 Times 10^2 mm 4.05 Times 10^2 mm 44.3 mm 4.43 Times 10^5 mm 4.05 Times 10^2 mm Concept explorations are comprehensive problems that provide a framework that will enable you to explore and learn many of the critical concepts and ideas in each chapter. If you master the concepts associated with these explorations, you will have a better understanding of many important chemistry ideas and will be more successful in solving all types of chemistry problems. These problems are well suited for group work and for use as in-class activities.

Explanation / Answer

According to Charle's law, the volume of a gas decreases by 1/273.15 of its volume at 0 deg C for 1 deg C fall in temperature. When the temperature of a gas is lowered to -273.15 deg C, the volume of the gas will be 0 ml. The gas would become liquid or solid. The temperature -273.15 deg C, at which the volume of a gas would be theoretically reduced to zero is called absolute zero. Absolute zero is that temperature at which no substance exists in the gaseous state. This zero point on the scale is called Kelvin scale.At absolute zero temperature, the volume, pressure, kinetic energy and heat content of gas is zero. The absolute zero is 0 K or -273.15 deg C. If t is the temperature in deg C and T is the temperature in kelvin, then T = t + 273.15.

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