Time (Minutes)
The heating curve shown above is a plot of temperature vs time. It represents the heating of
substance X at a constant rate of heat transfer. Answer the following questions using this
heating curve:
1. In what part of the curve would substance X have a definite shape and definite volume?
-2. In what part of the curve would substance X have a definite volume but no definite shape?
_3. In what part of the curve would substance X have no definite shape or volume?
4. What part of the curve represents a mixed solid/liquid phase of substance X?
5. What part of the curve represents a mixed liquid/vapor phase of substance X?
6. What is the melting temperature of substance X?
I
7. What is the boiling temperature of substance X?
Answers: 2
Chemistry, 22.06.2019 07:00
At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure
Answers: 2
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 1
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Time (Minutes)
The heating curve shown above is a plot of temperature vs time. It represents the he...
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