Chemistry, 23.06.2019 17:10 gerardoblk5931
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 21:00
Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?
Answers: 1
Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
Answers: 3
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
Chemistry, 23.06.2019 04:10
What does the field of thermodynamics relate to a-changes in nuclear reactions b- changes in energy in systems c changes in molecular structure d changes in atomic properties
Answers: 1
You know the right answer?
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an...
Questions
Mathematics, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
Arts, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
Mathematics, 26.01.2021 06:50
