Using this heating curve, complete the following statements: freezing point between points | Select / and 1. The substance's melting can be found or | Select I (Select the points alphabetically; for example, "X and Y" not "Y and X") 2. Between points Select J and Select Y the substance is in the liquid phase. (Select the points alphabetically; for example, "X and Y" not "Y and X") 3. At 117°C, the substance is a | Select J
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.
![Temp. (°C)
B.
1501
135
120
D.
E,
06
75
C,
09
30 A
15
Heat (kJ)
Created by E. Lee for Virtuol Virginia (2021)
Using this heating curve, complete the following statements:
substance's melting
freezing
or
point
be
uan
punoj
between
points
| SelectJ
1. The
pue
| Select]
(Select the points alphabetically; for example, "X and Y" not "Y and X")
V and Select
the substance is in the liquid phase.
2. Between points Select|
(Select the points alphabetically: for example, "X and Y" not "Y and X")
3. At 117°C, the substance is a
| Select J
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