Original Project
Substances, Chemical Reactions, and Conservation of Matter
Whenever substances within a closed system interact with one another, the total mass of the system remains the s…
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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 7841 |
6–8 n = 3327 |
9–12 n = 4467 |
Male n = 3737 |
Female n = 3928 |
English n = 6869 |
Other n = 760 |
|
| A. | 33% | 34% | 33% | 31% | 35% | 34% | 31% |
| B. | 19% | 21% | 17% | 19% | 19% | 18% | 24% |
| C. | 18% | 21% | 16% | 17% | 19% | 18% | 22% |
| D. | 30% | 24% | 34% | 34% | 27% | 30% | 23% |