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WorksheetsTHERMOCHEMISTRY
Total questions: 14
Worksheet time: 13mins
The diagram shows the reaction of
Rajah menunjukkan tindak balas
(a)
The energy level diagram represents
Gambar rajah aras tenaga mewakili
exothermic reaction/ tindak balas eksotermik
endothermic reaction/ tindak baals endotermik
The following are examples of Exothermic reactions except
Berikut merupakan contoh tindak balas eksotermik kecuali
Combustion/ Pembakaran
Oxidation of metal/ Pengoksidaan logam
Photosynthesis/ Fotosintesis
Respiration/ Respirasi
The following are examples of endothermic reaction except
Berikut merupakan contoh tindak balas endotermik kecuali
Photosynthesis/ fotosintesis
Respiration/ respirasi
reaction between acid and sodium carbonate/ tindak balas acid dengan natrium karbonat
frying eggs/ menggoreng telur
V cm3 of water is being cooled from 30°C to 4°C inside the refrigerator. 54.6 kJ of heat is released. What is the volume of V?
V cm3 air disejukkan daripada 30°C to 4°C di dalam peti sejuk. 54.6 kJ haba terbebas. Apakah isipadu V?
(a)
The reaction of calcium chloride and water in the hot pack
tindak balas antara kalsium klorida dengan air dalam pek panas
(a)
Cold pack is an example of
pek sejuk merupakan contoh
endothermic reaction/ tindak balas endotermik
exothermic reaction/ tinda balas eksotermik
Cake baking is
endothermic
exothermic
Dissolving ammonium salt in water will cause a ___________ in temperature
increase
higher
drop
constant
When sodium hydroxide is added to hydrochloric acid, the temperature reading on the thermometer is ______________ and the reaction name is __________________
decreasing
increasing
constant
neutralisation
titration
when a piece of magnesium ribbon is added to some dilute hydrochloric acid in a test tube, a reaction occurs and the test tube becomes hot. the type of reaction is.....
exothermic reaction
endothermic reaction
Energy level diagram for endothermic reaction
•The energy of the products is higher than the energy of the reactants.
•The energy of the products is lower than the energy of the reactants.
The reaction between nitrogen and oxygen can be represented by the following equation:
Which of the following energy level diagrams represent the above reaction?
