Answer:
it's a physical change
Explanation:
there there was no burning it was grabbing and just cutting
Answer:
The OH group
Explanation:
Benzhydrol contains OH hydroxyl group in its molecule while fluorene does not. At first glance, one would think that OH, which contributes to hydrogen bonding would causes melting point of benzhydrol to be higher than fluorene. <em>However, </em>the structure of benzhydrol, which is 2 benzene rings connected to center hydroxyl carbon (PhCOHPh), allows for each benzene rings in benzhydrol to rotate until both rings are perpendicular to minimize repulsive force. This prevents the molecule from stacking on each other due to its non flat shape, and thus, lowering its melting point in contrast to flat fluorene molecule.
Your sock disappear in the fridge
A. The kinetic energy of gas particles is higher in hot food than in cold food.
Explanation:
The smell of a hot food moves faster than the smell of a cold food because the kinetic energy of gas particles is higher in hot food than in cold food.
Let us establish that the smell of the food perceived are gases from the food.
- Both hot food and cold food emits these gases that tinkers our olfactory nerves.
- Hot food produces a hot gas.
- The higher the temperature the more kinetic energy it possess.
- This makes the gases more dispersed and it spreads faster.
- The cold food produces gas at a lower kinetic energy.
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Molecular theory brainly.com/question/12362857
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