WorksheetsThermochemistry Matriculation Intro
Total questions: 20
Worksheet time: 58mins
2N2 + 3H2 --> 2NH3 + 46 kJ
How much energy would be produced if only 1 mol of nitrogen was reacted?
H2O (l) + 44.0 kJ --> H2O (g)
P4 + 6Cl2 --> 4PCl3 + 2439 kJ
How much energy is required to produce each mole of chlorine?
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.
Warm
Cold
Bubbly
Damp
Is this reaction endothermic or exothermic?
Is this reaction endothermic or exothermic?
The potential energy diagram of a reaction is shown. Which statement below is correct relating to this reaction?
#1 represents the enthalpy change for this exothermic reaction.
#2 represents the enthalpy change for this endothermic reaction.
#3 represents the enthalpy change for this endothermic reaction.
#4 represents the enthalpy change for this exothermic reaction.
The diagram represents two solids and the temperature of each. What occurs when the two solids are placed in contact with each other?
Heat energy flows from solid A to solid B. Solid A decreases in temperature
Heat energy flows from solid A to solid B. Solid A increases in temperature
Heat energy flows from solid B to solid A. Solid B decreases in temperature.
Heat energy flows from solid B to solid A. Solid B increases in temperature.
Choose a substance with enthalpy of formation not equal to zero
Iodine (solid)
Sodium (solid)
Bromine (liquid)
Carbon dioxide (gas)
