Use the phase diagram to provide a temperature and pressure at which carbon dioxide will exist as a solid. Pressure (atm) 130 70 60- 50- 40- 30- 20- 10 Solid Carbon dioxide phase diagram Triple pont 40 1-544 60 Liquid 20 Gas 3 Temperature (Celsius) Critical point 20
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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WIMBYES334
LIQUID
TEMPERATURE ("C)
a) solid
(NLV) FHOSSAND
SOLID
LIQUID
GAS
TEMPERATURE ("C)
mressures, this substance would be a:
by liquid
c) gas
When the dot isn't on a line, the substance is in one of the 3 different
states of matter. As you can see on the graph, solid, liquid, and gas
are written in different sections (bordered with lines). When the dot
falls into one of these sections, it changes into that state of matter.
We can inferis because as you move the dot into a given section,
the molecule model on the right changes bonds. For example as
you move the dot down ino the high pressure area, the lines
connecting the molecule on the right dissapear entirely (meaning
the molecules are in a gaseous state)."
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solid.
Pressure (atm)
730
50-
Solid
Carbon dioxide phase diagram
Triple po
Liquid
Temperature (Celsius)
Gas
Critical point
20
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