The substance sulfur dioxide has the following properties: normal melting point: 200.4 K normal boiling point: 263.1 K triple point: critical point: Choose all that apply A sample of sulfur dioxide at a pressure of 1.00 atm and a temperature of 225.8 K is cooled at constant pressure to a temperature of 202.8 K. Which of the following are true? 1.7x10-3 atm, 197.6 K 78 atm, 430.7 K The sample is initially a liquid. No phase change will occur. The liquid initially present will vaporize. The final state of the substance is a liquid. The final state of the substance is a solid.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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