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What is the primary mechanism of atmospheric heating?
The primary mechanism is KINETIC; the increase in the motion of atoms and molecules that is due to the absorption of incident Energy in the form of Photons.
What reaction is characterized by a net absorption of energy?
An endothermic reaction is characterized by a net absorption of energy, where energy is taken in from the surroundings. This type of reaction requires heat input to proceed, and the products have higher energy than the reactants.
What does light absorption require the presence of?
Light absorption requires the presence of a material that is capable of absorbing light energy. This material typically contains atoms or molecules that can undergo a transition of electron energy levels when exposed to light, resulting in the absorption of photons.
What is active absorption?
requires the input of energy and a carrier protein to move nutrients across a concentration gradient
What requires more energy melting or boiling?
Melting requires energy input or absorption because liquid water has more energy than solid water.
Does melting require the absorption of energy?
Yes, melting requires the absorption of energy in order to overcome the forces holding the particles together in a solid phase. This added energy allows the particles to move more freely and transition into a liquid state.
What is the mechanism of absorption of aspirin and alcohol in stomach?
diffusion
What is the difference between a machine and a mechanism?
A simple machine performs a task using energy. Is does so in a fully automated fashion. A mechanism is mechanical, and often requires input from the user.
What process do plants absorb minerals?
Plants absorb minerals through their roots. The process involves both active transport, which requires energy, and passive transport, which occurs through diffusion. The minerals are then transported within the plant through vascular tissues like xylem and phloem.
Why is absorption necessary?
Absorption is necessary for energy storage
What are the difference between the machines and mechanisms?
A simple machine performs a task using energy. Is does so in a fully automated fashion. A mechanism is mechanical, and often requires input from the user.
Is acetone evaporating from skin exothermic or endothermic?
The evaporation of acetone from the skin is an endothermic process. This means that it requires energy in the form of heat to break the intermolecular forces holding the acetone molecules together, leading to the molecules transitioning from liquid to gas phase. This absorption of heat causes a cooling effect on the skin.
