State is characterized by the lowest density of the three states
1 answer:
Answer:
Gas
Explanation:
Matter is anything that has weight and occupies space.
Therefore, we can conclude that every matter has distinct density that typifies them because density is the mass per unit volume of any substance.
Density =
From the density equation, we see that the higher the mass, the higher the density. The higher the volume the lower the density.
- The state of matter with the lowest mass and highest volume will have the lowest density.
- Gases are known to have the least mass because they have very negligible weight.
- The occupy very large spaces according to where they are confined.
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511.2 grams of chlorine gas consumed (with excess H-) when
1,342.0 kJ of energy is released from the system.
<h3></h3><h3>What is an exothermic reaction?</h3>In thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative."
Given that 1 mole of chlorine releases -184.6 energy.
Then, we have to find the number of moles of chlorine when 1,342.0 kJ of energy is released from the system.
So, calculating number of moles of chlorine.
Moles =
Moles = 7.2 mole
Now, calculating number mass of chlorine.
Mass = 7.2 mole x 71 g/mole
Mass = 511.2 gram
Learn more about exothermic reaction here:
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