A ww O STATES OF MATTER Using the combined gas law For many purposes we can treat propane (C,H) as an ideal gas at temperatures above its boiling point of -42. °C. Suppose the temperature of a sample of propane gas is lowered from 12.0 °C to -22.0 °C, and at the same time the pressure is changed. If the initial pressure was 0.29 kPa and the volume decreased by 40.0%, what is the final pressure 画 Round your answer to 2 significant digits. de OkPa

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Q: 9. Provide a mechanism for the following transformation: H,Cro, он HO H,O

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.