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As the more energetic form of water -- water vapor -- is formed, the liquid water chills. Thus conservation of energy is preserved. Mass of course remains the same.
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∙ 15y ago
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What are the energy changes involved when water evaporates?
when water evpourates it turns into vapour and is present in the atmosphere in the form moisture so mass is conserved
What is conserved in physical changes?
Mass and energy
When water evaporates does its mass decrease?
The mass remain unchanged.
How are energy and mass conserved by living systems?
Not quite sure what you mean; let's just say that living systems don't require any extraordinary efforts to conserve energy and mass, because that's what they do naturally, i.e., "be conserved". There is no known way to violate conservation of energy or mass.
How is energy conserved with nuclear fission?
Energy is always conserved. You can neither create nor destroy energy. The same goes for mass. They can only be moved from one frame of reference to another. Fission has nothing to do with it. Ditto for fusion.One area of "confusion" for many people is Einstein's mass-energy equivalence equation e = mc2. Some people think it means that mass can be converted to energy and vice versa. Nope. Not even close. Mass is energy, and energy is mass. Think about that.
How do you explain how mass and energy are conserved when water evaporates?
When water evaporates, the water molecules gain energy from the surroundings to overcome intermolecular forces and escape into the air as vapor. While the water loses mass during evaporation, this mass is not lost but rather converted into the potential energy of the water vapor. Therefore, the total mass and energy of the system (water and surroundings) remains constant, demonstrating conservation of mass and energy.
What are the energy changes involved when water evaporates?
when water evpourates it turns into vapour and is present in the atmosphere in the form moisture so mass is conserved
Which is not conserved mass acceleration energy momentum?
Energy is not conserved in some situations, especially in processes involving non-conservative forces like friction or air resistance. The conservation of mass, acceleration, and momentum are fundamental principles in physics.
How can energy be conserved from a nuclear weapon?
Energy can be conserved from a nuclear weapon by reducing the energy loss through inefficiencies in the weapon's design and by using advanced technologies to maximize the weapon's destructive power. Additionally, minimizing the size and weight of the weapon can improve its efficiency and conservation of energy.
What is conserved when one balances a chemical equation?
When balancing a chemical equation, the number of each type of atom on the reactant side must be equal to the number of each type of atom on the product side. Mass and charge are conserved during a chemical reaction as well.
When did albert Einstein invent e equals mc2?
In the beginning of the 20th century. He proposed mass-energy equivalence in 1905, and set out to mathematically express this. E = mc2 shows that energy can be converted into mass, and mass into energy. Thus, we no longer say that mass is conserved, or energy is conserved. But rather, we say that mass-energy is conserved.
Is energy conserved in a nuclear reaction?
In a nuclear reaction, energy is conserved overall. This principle is reflected in the relationship between mass and energy as described by Einstein's equation E=mc^2, where the total energy remains constant before and after the reaction.
Is energy is conserved when an atom emits a photon of light?
Energy is ALWAYS conserved. The appropriate sum of mass and energy is always conserved. If an atom emits a photon, the atom has less energy/mass, and the universe minus that atom has more energy/mass. It's like carrying some energy from here to there.
In a nuclear reaction WHAT does not have to be conserved?
While overall ENERGY has to be conserved, MASS does not. In a nuclear reaction mass can be converted into energy so the mass of the products may be less than the mass of the reactants. The difference in mass is converted into energy as Einstein's equation describes (E=MC squared). In a chemical reaction MASS has to be conserved.
What is conserved in physical changes?
Mass and energy
What is the exception for conservation of energy?
The exception to the conservation of energy is in systems where energy is converted into mass or mass into energy, according to Einstein's theory of relativity (E=mc^2). This allows for a small amount of mass to be converted into a large amount of energy, as seen in nuclear reactions.
Why law of conservation of mass should better be called as law of conservation of mass and energy?
Because energy can be converted into mass and vice versa. Thus, while the mass of a system is not conserved in a particular process, the mass and energy of a closed system is always conserved.
