What do these two changes have in common? picking up a paper clip with a magnet dew appearing on grass in the morning Select all that apply. Both conserve mass. Both are only physical changes. Both are changes of state. Both are chemical changes.

Question

What do these two changes have in common? picking up a paper clip with a magnet dew appearing on grass in the morning Select all that apply. Both conserve mass. Both are only physical changes. Both are changes of state. Both are chemical changes.

Answer 1

B. Both are only physical changes.

Answer 2

## Step 1The problem presents two different scenarios: picking up a paper clip with a magnet and dew appearing on grass in the morning. We need to identify the commonalities between these two changes.## Step 2The first scenario involves a magnet picking up a paper clip. This is a physical change because the paper clip is not chemically altered or transformed into a new substance. The magnet simply changes the position of the paper clip.## Step 3The second scenario involves dew appearing on grass in the morning. This is also a physical change because the water vapor in the air condenses into liquid dew on the grass. The water molecules are not chemically altered or transformed into a new substance.## Step 4Based on the above analysis, both scenarios are physical changes. They do not involve any chemical changes or changes of state.## Step 5However, the statement that both changes conserve mass is not necessarily true. While the mass of the paper clip and the magnet remains constant, the mass of the water vapor that condenses into dew is not conserved because it is transformed into liquid dew.

Question

What do these two changes have in common? picking up a paper clip with a magnet dew appearing on grass in the morning Select all that apply. Both conserve mass. Both are only physical changes. Both are changes of state. Both are chemical changes.

Solution

Resposta

Explicação