Marble ChipsĀ
(Rate of reaction surface area C4U 16.1- 16.2 - 16.3 Measuring the rate of reaction of gas)
(Rate of reaction surface area C4U 16.1- 16.2 - 16.3 Measuring the rate of reaction of gas)
Marble chips : (Collect gas by displacement of water) 16.1
Dilute HCl 1.0 M
CaCO3 (Marble chips 3mn)
Though
delivery tube for conical flask
Conical flask
Timer
DEMO :
Marble chips Gas Syringe : 16.2
Gas Syringe
250m/100mll conical flask (in Class room)
Bung and delivery tube
HCl 2mol. (25cm3)
Measuring cylinder 100cc
2 X CaCO3 3mn and 6mn (0.5g) 5 minutes
Mass balance (Set up in front desk)
Timer
Stand boss and clamp
Measuring the ass of gas given off : 16.3
HazCard : 19B, 47A
Top pan Balances (If possible a lot as kids could do that at they desk )
Cotton wool for conical flask
Conical Flasks 100cc
HCl 2.0M (Any acid will do)
25cc Measuring cylinder for HCl
marble chipsĀ 3 to 5 g
Stop clocks