Bedka oogada iyo heerka: falanqeyn
Cashar 4 / 11
Muuqaalka casharka
Muuqaalku weli diyaar ma aha.
Bogagga casharka
weli lama diyaarin
Faahfaahinta casharka
Natiijada casharka
I can represent graphically and describe how the rate of reaction depends on the surface area of a solid reactant.
Muuji qoraalka
The changing rate of a chemical reaction can be represented by a graph of mass of gas produced against time.
When reacting excess marble chips with acid, the same mass of gas is produced for all surface areas of chips.
The mean rate of reaction = total mass of gas produced ÷ total time of reaction
The instantaneous rate of reaction is equal to the gradient of the graph.
The gradient of a rate of reaction graph can be calculated from a tangent drawn at a point on the curve.
Warqadda shaqada
weli lama diyaarin
Imtixaannada
Imtixaankan weli diyaar ma aha.
Waxa ardaydu arkaan
Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
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Nuxurkan waxaa leh Cashar, waxaana lagu daabacay shatiga furan.