chem assignment 10
|
Water Sample |
Trial #1 Temp (°F) |
Trial #1 Time (seconds) |
Trial #2 Temp (°F) |
Trial #2 Time (seconds) |
Trial #3 Temp (°F) |
Trial #3 Time (seconds |
|
Hot water |
200 |
5 |
110 |
15 |
86 |
20 |
|
Room temp water |
68 |
0 |
68 |
0 |
68 |
0 |
|
Cold water |
68 |
45 |
60 |
30 |
45 |
20 |
REACTION RATES – Hands-On Experiment 1 Data Collection and Results Pages Name Date
Observations:
Hot water: as the reaction continues, more time was recorded Room temp water: Room temperature the rate of reaction was constant.
Cold water: As the rate reaction continues, less time was recorded.
Convert °F to °C:
|
Water Sample |
Trial #1 Temp (°C) |
Trial #2 Temp (°C) |
Trial #3 Temp (°C) |
|
Hot water |
93.3 |
43.3 |
30 |
|
Room temp water |
20 |
20 |
20 |
|
Cold water |
20 |
15.56 |
7.2 |
Find your averages:
|
Water Sample |
Average Temp (°C) |
Average Time (seconds) |
|
Hot water |
132 |
14 |
|
Room temperature water |
68 |
0 |
|
cold water |
57.7 |
32 |
A graph Temperature against time (of cold and hot waters)