3. Jeanette wants to prepare a 0.125 mol/L solution of sucrose CuH₂O11. The desired volume Jeanette wants to make is 50 ml. Formula Mass= Volume (L) = Moles Sucrose = Mass Sucrose= Show work in this space
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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3. Jeanette wants to prepare a 0.125 mol/L solution of sucrose C12H22O11. The desired
volume Jeanette wants to make is 50 ml.
Formula Mass=
Volume (L)=
Moles Sucrose =
Mass Sucrose=
0.050 L
of water
(solvent)
? Mass of
Sucrose
Formula Mass=
Volume (L) -
Moles LI SO
Mass Li₂SO. =
Mass of
0.050 L of
0.125 mol/L
Sucrose
4. Grover wants to prepare a 6.00 mol/L solution of Li,SO.. The desired volume Grover
wants to make is 500 ml.
Li-SO
Show work in this space
SLIVEWORKSHEETS
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