subject
Chemistry, 12.10.2019 22:20 ptonygonzalez701

Which of these is an example of a physical change?
a) a banana ripening in the air
b) hydrogen burning in the air
c) zinc reacting with an acid
d) liquid water turning into vapor

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 05:50
In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
Answers: 1
question
Chemistry, 22.06.2019 10:30
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
Answers: 1
question
Chemistry, 22.06.2019 18:00
To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
Answers: 3
question
Chemistry, 23.06.2019 02:00
Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
Answers: 3
You know the right answer?
Which of these is an example of a physical change?
a) a banana ripening in the air
b)...
Questions
Questions on the website: 13722367