Factors affecting rates of reaction

SPCCT

urface area to volume ratio

ressure

oncentration

atalysts

emperature

Note that these factors affect

Gradient of the curve.

Factors affecting rates of reaction

Note that : (i) Amount and(ii) Volume

affect HEIGHT of the curve.

Rates of ReactionAmount and volume affect height

SPCCT affect gradient of graph

Time / s

Vo

lum

e o

f g

as p

rod

uc

ed

/ c

m3

Experimental set-up for measuring volume of hydrogen produced from

reaction between Mg and HCl

1 M HCl24g Mg ribbon

Stopwatch

Experimental set-up for measuring volume of hydrogen produced from

reaction between Mg and HCl

2 M HCl24g Mg ribbon

Stopwatch

Change in concentration

Rates of Reaction

24g Mg, 2M HCl

Time / s

Vo

lum

e o

f g

as p

rod

uc

ed

/ c

m3

Experimental set-up for measuring volume of hydrogen produced from

reaction between Mg and HCl

1 M HCl36g Mg ribbon

Stopwatch

Change in amount

Rates of Reaction36g Mg, 1M HCl

Time / s

Vo

lum

e o

f g

as p

rod

uc

ed

/ c

m3