Table 1: Trial Experiment using same amounts of hydrochloric acid and calcium metal
|
Amount of Calcium used |
Amount of HCl used |
3% H2O2 used |
Amount of MnO2 Catalyst Used |
Speed of Motor |
Observation |
|
2g |
20 ml |
20 ml |
3g |
10 revolutions per minute |
Motor took 3 minutes to stop |
|
2g |
20 ml |
20 ml |
3g |
10 revolutions per minute |
Motor took 3 minutes |
Table 2: Varying amounts of calcium and hydrochloric acid
|
Amount of Ca used |
Amount of HCl used |
Amount of 3% H2O2 |
Amount of MnO2 Catalyst used |
Speed of Motor |
Observations |
|
1g |
20 ml |
20 ml |
3g |
10 revolutions per minute |
Motor took 3 minutes to stop |
|
2g |
30 ml |
20 ml |
3g |
10 revolutions per minute |
Motor took five minutes to stop |
|
3g |
40 ml |
20 ml |
3g |
10 revolutions per minute |
Motor took 7 minutes to stop |
Table 3: Using water and calcium instead of hydrochloric acid
|
Amount of Ca used |
Amount of H2O used |
Amount of 3% H2O2 |
Amount of MnO2 Catalyst used |
Speed of Motor |
Observations |
|
2g |
10 ml |
20 ml |
3g |
10 revolutions per minute |
White paste formed |
|
2g |
20 ml |
20 ml |
3g |
10 revolutions per minute |
White paste formed |
|
2g |
30 ml |
20 ml |
3g |
10 revolutions per minute |
White paste formed |
Graph 1: Motor speed while using equal amounts of hydrochloric acid
Graph 2: Motor speed while using different amounts of hydrochloric acid
Graph 3: Revolutions per minute when hydrogen is produced from water
Amount of Water (ml)