18 Students were provided with cubes of slightly alkaline gelatine of different dimensions, containing an acid-alkali indicator that is red in alkali but yellow in acid. The cubes were placed in dilute acid solution, and the time taken for the colour in the gelatine to change from red to yellow was measured. Dimensions/mm Surface area/mm² Volume/mm³ Time/minutes 10 x 10 x 10 600.0 1000.0 12.0 5x 5 x5 150.0 125.0 4.5 4x 4 x4 96.0 64.0 4.2 2.5 x 2.5 x 2.5 a For each block, calculate the ratio of surface area to volume (SA:V). b Plot a graph of the time taken for the colour change (vertical or y axis) against the SA:V ratio (horizontal or x axis). c Explain why the colour changes more quickly in some blocks than others. 37.5 15.6 4.0
18 Students were provided with cubes of slightly alkaline gelatine of different dimensions, containing an acid-alkali indicator that is red in alkali but yellow in acid. The cubes were placed in dilute acid solution, and the time taken for the colour in the gelatine to change from red to yellow was measured. Dimensions/mm Surface area/mm² Volume/mm³ Time/minutes 10 x 10 x 10 600.0 1000.0 12.0 5x 5 x5 150.0 125.0 4.5 4x 4 x4 96.0 64.0 4.2 2.5 x 2.5 x 2.5 a For each block, calculate the ratio of surface area to volume (SA:V). b Plot a graph of the time taken for the colour change (vertical or y axis) against the SA:V ratio (horizontal or x axis). c Explain why the colour changes more quickly in some blocks than others. 37.5 15.6 4.0
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question

Transcribed Image Text:18 Students were provided with cubes of slightly alkaline gelatine of different dimensions, containing an
acid-alkali indicator that is red in alkali but yellow in acid. The cubes were placed in dilute acid solution,
and the time taken for the colour in the gelatine to change from red to yellow was measured.
Dimensions/mm
Surface area/mm²
Volume/mm³
Time/minutes
10 x 10 x 10
600.0
1000.0
12.0
5x 5 x5
150.0
125.0
4.5
4 x 4 x 4
96.0
64.0
4.2
2.5 x 2.5 x 2.5
a For each block, calculate the ratio of surface area to volume (SA:V).
b Plot a graph of the time taken for the colour change (vertical or y axis) against the SA:V ratio (horizontal
or x axis).
c Explain why the colour changes more quickly in some blocks than others.
37.5
15.6
4.0
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Recommended textbooks for you

Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON

Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax

Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,

Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON

Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax

Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,

Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company

Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.

Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education