DATE: A cooling curve is the opposite of a heating curve.
It shows how the temperature of a substance
changes with time, as it is cooled from a gas to a
solid. Here is the cooling curve for one substance:
gas
Temperature / °C
78
liquid
no
JOTOqid
to be
04
-15-
1
solid
Time
Bib 25
a What is the state of the substance at room
temperature (20 °C)?
b Use the list of melting and boiling points on
page 9 to identify the substance.
c Sketch a cooling curve for pure water. d
10​

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.