3 A hot air balloon will lie flat until a heat source is initiated. Once enough heat is produced the balloon begins to inflate. What process is responsible for a hot air balloon's inflation? Thermal energy will cause hydrogen in A the air to change into helium, which causes the balloon to inflate. Thermal energy from the heat source will B heat the fabric of the balloon, which causes the balloon to inflate. Thermal energy will move from the surrounding air to the heat source which causes air to sink into the balloon, which causes the balloon to inflate. Thermal energy will move from the heat source to surrounding cooler air which causes the air to rise until uniform temperature has been reached, which causes the balloon to inflate.
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.


Trending now
This is a popular solution!
Step by step
Solved in 2 steps









