Imagine you have a bottle of compound X at a constant pressure of 45 atm and a temperature of 100 °C. What will happen to compound X if you raise the temperature to 500 °C? 100 A. Compound X will evaporate 90 B. Compound X will sublime C. Compound X will melt D. Compound X will remain 80 70 60 a solid 50 40 30 20 10 100 100 200 300 400 500 600 74 700 Pressure (atm)
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.
 alt="Q2: Level 3 (T16, L.G. 5)
Imagine you have a bottle of compound X at a constant
pressure of 45 atm and a temperature of 100 °C. What will
happen to compound X if you raise the temperature to 500 °C?
100
A. Compound X will evaporate
B. Compound X will sublime
C. Compound X will melt
D. Compound X will remain
90
30
70
30
a solid
50
40
30
100 200
300
400
501 600 700 800
74
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