Original Project
Substances, Chemical Reactions, and Conservation of Matter
Item SC077005: If a chemical reaction occurs between two liquids in a sealed jar, the mass will not change if a gas is formed, and it will not change if a solid is formed.
A reaction occurs between two liquid substances in a sealed jar. What will happen to the mass of the sealed jar and its contents after the reaction occurs?
- The mass will change if a gas is formed, and it will change if a solid is formed.
- The mass will change if a gas is formed, but it will not change if a solid is formed.
- The mass will change if a solid is formed, but it will not change if a gas is formed.
- The mass will not change if a gas is formed, and it will not change if a solid is formed.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2353 | 7841 | 30% |
| Grades | |||
| 6–8 | 810 | 3327 | 24% |
| 9–12 | 1528 | 4467 | 34% |
| Gender | |||
| Male | 1252 | 3737 | 34% |
| Female | 1043 | 3928 | 27% |
| Primary Language | |||
| English | 2093 | 6869 | 30% |
| Other | 177 | 760 | 23% |