We’re being asked which of the following conditions is a chemical change.
Let’s first define a physical change and a chemical change.
Physical change → there is a change in a matter as it goes from one physical state to another.
Chemical change → atoms rearrange themselves to create a new substance.
Now, let’s take a look at each condition:
Which of the following is a chemical reaction?
a) The melting of ice.
b) The formation of a covalent bond between two amino acids.
c) Making a hydrogen bond between a water molecule and a sugar molecule.
d) Changing a carbon atom to a nitrogen atom by radioactive decay.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Physical & Chemical Changes concept. You can view video lessons to learn Physical & Chemical Changes. Or if you need more Physical & Chemical Changes practice, you can also practice Physical & Chemical Changes practice problems.
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Based on our data, we think this problem is relevant for Professor Gong's class at Wichita State University.