5. Which tablet size and the liquid combination resulted in the fastest dissolution times? A. crushed, room temperature water B. crushed, hot water © crushed, room temperature vinegar Ď. broken, hot water E. broken, room temperature vinegar 6. What is the relationship between particle size and the time it takes for the tablet to dissolve? A direct proportion B. inverse proportion C. combined proportion D. joint proportion 7. Using the activity as a model, how does mechanical weathering (breaking or crushing) contribute to chemical weathering (dissolution)? A. Increases size of particles B. Decreases dissolution time Increases surface area D. Both A and B E. Both B and C 8. A) When a rock is physically broken down into smaller pieces, the amount of surface area exposed to weathering agents increases. Hence, chemical weathering is enhanced. B) As an effect of the chemical weathering, the rock weakens, thus becoming more susceptible to physical weathering. A. Statement A is true; Statement B is false. B. Statement A is false; statement B is true. © Both statements are true. D. Both statements are false. 9. How do we compare dissolution times in room temperature water to that of hot water? A. greater B. lesser C. equal D. no effect
5. Which tablet size and the liquid combination resulted in the fastest dissolution times? A. crushed, room temperature water B. crushed, hot water © crushed, room temperature vinegar Ď. broken, hot water E. broken, room temperature vinegar 6. What is the relationship between particle size and the time it takes for the tablet to dissolve? A direct proportion B. inverse proportion C. combined proportion D. joint proportion 7. Using the activity as a model, how does mechanical weathering (breaking or crushing) contribute to chemical weathering (dissolution)? A. Increases size of particles B. Decreases dissolution time Increases surface area D. Both A and B E. Both B and C 8. A) When a rock is physically broken down into smaller pieces, the amount of surface area exposed to weathering agents increases. Hence, chemical weathering is enhanced. B) As an effect of the chemical weathering, the rock weakens, thus becoming more susceptible to physical weathering. A. Statement A is true; Statement B is false. B. Statement A is false; statement B is true. © Both statements are true. D. Both statements are false. 9. How do we compare dissolution times in room temperature water to that of hot water? A. greater B. lesser C. equal D. no effect
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section15.1: Forming Solutions
Problem 6RQ
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Multiple choice. Please check my answers from 5-9 if they are correct. Thanks!
Transcribed Image Text:5. Which tablet size and the liquid combination resulted in the fastest dissolution times?
A. crushed, room temperature water
B. crushed, hot water
© crushed, room temperature vinegar
Ď. broken, hot water
E. broken, room temperature vinegar
6. What is the relationship between particle size and the time it takes for the tablet to dissolve?
A direct proportion
B. inverse proportion
C. combined proportion
D. joint proportion
7. Using the activity as a model, how does mechanical weathering (breaking or crushing) contribute
to chemical weathering (dissolution)?
A. Increases size of particles
B. Decreases dissolution time
C Increases surface area
D. Both A and B
E. Both B and C
8. A) When a rock is physically broken down into smaller pieces, the amount of surface area
exposed to weathering agents increases. Hence, chemical weathering is enhanced.
B) As an effect of the chemical weathering, the rock weakens, thus becoming more susceptible
to physical weathering.
A. Statement A is true; Statement B is false.
© Both statements are true.
D. Both statements are false.
B. Statement A is false; statement B is true.
9. How do we compare dissolution times in room temperature water to that of hot water?
A. greater
B. lesser
C. equal
D. no effect
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