(a)
Interpretation:
The burning of gasoline should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change is known as chemical change and it is irreversible in nature.
(b)
Interpretation:
The making of ice cubes should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.
(c)
Interpretation:
The boiling of oil should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.
(d)
Interpretation:
The melting of lead should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.
(e)
Interpretation:
The rusting of iron should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.
(f)
Interpretation:
The formation of ammonia from nitrogen and hydrogen should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.
(g)
Interpretation:
The digesting of food should be classified as chemical or physical change.
Concept Introduction:
Physical change:
If a compound or substance changes its state and that is reversible in nature then such change known as physical change.
Chemical change:
If a compound or substance changes its state and cannot be converted into its original form that change known as chemical change and it is irreversible in nature.

Trending nowThis is a popular solution!

Chapter 1 Solutions
EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
- i need help identifying the four carbon oxygen bonds in the following:arrow_forwardImagine each of the molecules shown below was found in an aqueous solution. Can you tell whether the solution is acidic, basic, or neutral? molecule HO H3N + The solution is... X O acidic OH O basic H3N-CH-C-O O neutral ○ (unknown) O acidic ○ basic CH2 CH 3-S-CH2 O neutral ○ (unknown) H3N O OH O acidic O basic Oneutral O (unknown) 0 H3N-CH-C-O CH3 CH CH3 O acidic O basic O neutral ○ (unknown) ? olo Ar BHarrow_forwardno Ai walkthroughs need other product (product in picture is wrong dont submit the same thing)arrow_forward
- I have a 2 mil plastic film that degrades after 22 days at 88C and at 61C takes 153 days. What is the failure at 47C in days.arrow_forwardIf a 5 film plastic film degraded in 30 days at 35C and the same film degraded in 10 days at 55 C and 2 days at 65C what would the predicted life time be at 22C for the same film?arrow_forwardno Ai walkthroughsarrow_forward
- I have a aqueous solution (175 ml) of iridium trichloride containing 8,750 ppm Iridium by ICP OES analysis. What is the percent concentration of Iridium trichloride in aquous solution and provide the concentration in moles per liter, percentage by weight.arrow_forwardno Ai walkthroughsarrow_forwardno Ai walkthroughsarrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
