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Acetylcholine binds to sarcolemma; sarcolemma then T-tubules depolarize; Ca++ released from terminal cisternae travels along SR, is release into sarcoplasm, then binds to troponin to unblock tropomyosin binding sites allowing cross-bridge formation (i.e., myosin heads bind to actin).

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Is a typhoon a chemical change?

No, a typhoon is a physical structure energized by the latent heat of phase changes involving water.


Does heat energy add during condensation?

During condensation, heat energy is released as water vapor changes to liquid water. This is known as the latent heat of condensation.


What is the significance of the negative value of latent heat in a substance?

The negative value of latent heat in a substance indicates that energy is being released when the substance changes its state, such as from a gas to a liquid or from a liquid to a solid. This release of energy is important because it affects the temperature and behavior of the substance during these phase changes.


The energy that gas changes to liquid?

The latent heat of condensation.


Is energy released or absorbed when water changes state from a solid to a liquid to a gas?

Energy is absorbed when water changes state from a solid to a liquid to a gas. This energy is used to break the bonds between water molecules during melting and vaporization. It is known as the latent heat of fusion and latent heat of vaporization, respectively.


What type of energy is absorbed or released when a substance changes phase?

pChanges in bonding arrangements between atoms and molecules result in absorption or release of heat (called latent heat). For example when water freezes, some heat is extracted to the environment, and the temperature does not fall until all is frozen. After that further removal of heat causes the temperature to fall below freezing point.


Does Jimmy Swaggart suffer from Tourette syndrome?

Probably not. A nervous twitch could be a latent fear of the imminent rapture occurring.


What is latent energy in a fuel?

Latent energy in a fuel refers to the energy released during the combustion process of the fuel. This energy is stored within the chemical bonds of the fuel and is released in the form of heat when the fuel is burned. It is a crucial factor in determining the energy content and efficiency of a fuel.


What are two changes of state for water that cause latent heat to be released?

When water vapor condenses into liquid water, latent heat is released. Similarly, when liquid water freezes into ice, latent heat is also released. These changes of state involve the release of latent heat because energy is being released as the water molecules transition to a lower energy state.


Why doesn't the thermometer measure latent heat?

A thermometer measures temperature by detecting the average kinetic energy of the particles in a substance, rather than the energy involved in phase changes, such as latent heat. Latent heat is the energy absorbed or released during a phase change, like melting or boiling, and does not directly affect the average kinetic energy of the particles that the thermometer detects.


Does the temperature of an object change while a change in its state of matter is occurring?

Yes, the temperature of an object remains constant during a change in its state of matter, such as melting or boiling. During these phase changes, energy is absorbed or released as latent heat, which facilitates the transition between states without altering the temperature. Only once the phase change is complete does the temperature begin to change again as heat is added or removed.


Which term refers to the energy that is stored or released during a change of statement of water?

The term is "latent heat." It represents the energy absorbed or released by a substance during a phase change, such as when water changes from a liquid to a solid or a gas.