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Because of the laws of enthalpy and entropy, free energy is always increasing. However, in endothermic reactions, or chemical reactions that require energy to occur, net free energy is negative because the energy is "lost" to the environment as it is bonded in the reaction.
Energy is often defined in reference to something else, and the sign of the energy is a function which direction is flowing. If energy (heat) flows from a system to the environment, the enthalpy change is negative (exothermic), whereas if energy flows from the environment to the system, the enthalpy change is positive (endothermic).
What else can I help you with?
Can binding energy be negative?
No, binding energy cannot be negative. Binding energy is always a positive quantity that represents the energy required to hold a system together. If the binding energy were negative, it would imply that the system is in an unstable state.
Is the lattice energy of a compound positive or negative?
The lattice energy of a compound is always negative.
Can you have negative kinetic energy in a physical system?
No, kinetic energy cannot be negative in a physical system.
What is negative energy in physics?
In physics, negative energy refers to a concept where the energy of a system is less than the energy of the system in its natural state or at a reference point. Negative energy can arise in certain theoretical situations, such as in quantum mechanics or general relativity, and it is often used to describe peculiar phenomena like the Casimir effect or exotic matter.
Can the change in kinetic energy be negative?
Yes, the change in kinetic energy can be negative if the object's speed decreases, resulting in a decrease in kinetic energy.
Can binding energy be negative?
No, binding energy cannot be negative. Binding energy is always a positive quantity that represents the energy required to hold a system together. If the binding energy were negative, it would imply that the system is in an unstable state.
Does energy flow through the negative or positive of a battery?
Energy flows from the negative terminal to the positive terminal of a battery.
Is the lattice energy of a compound positive or negative?
The lattice energy of a compound is always negative.
Is potential energy in k-shell is negative then why?
bcoz the energy of bound system is always negative
Can you have negative kinetic energy in a physical system?
No, kinetic energy cannot be negative in a physical system.
Does energy flow positive to negative or negative to positive with magnets?
positive to a negative
When negative work is being done what happens to potential energy?
Negative work increases potential energy.
Why is electronic energy negative?
The charge on an electron is negative (by International Convention) - so electron energy is too
What is negative energy in physics?
In physics, negative energy refers to a concept where the energy of a system is less than the energy of the system in its natural state or at a reference point. Negative energy can arise in certain theoretical situations, such as in quantum mechanics or general relativity, and it is often used to describe peculiar phenomena like the Casimir effect or exotic matter.
Can the change in kinetic energy be negative?
Yes, the change in kinetic energy can be negative if the object's speed decreases, resulting in a decrease in kinetic energy.
Is the lattice energy always negative?
No, the lattice energy can be positive, negative, or zero, depending on the specific compounds involved.
How can potential energy be negative in a physical system?
In a physical system, potential energy can be negative when the reference point for measuring energy is set at a higher level than the actual energy of the system. This can happen when the system has less energy than the reference point, resulting in a negative potential energy value.
