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Q: How does the fuel cell obey the law of conservation of mass?
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What types of changes observe the law of conservation of mass?

All changes, other than some nuclear reactions, must obey the Law of Conservation of Mass. Chemical reactions, physical changes, heating, cooling, and phase changes must obey the Law of Conservation of Mass.


Does this chemical recation PbCl2 Pb Cl2 obey the law of conservation of mass?

Yes, because the equation is balanced


Does Na H2O NAOHaq H2g obey the law of conservation of matter?

All chemical reactions obey the law of conservation of matter.


What are some physical and chemical changes sugar can undergo?

It's either obey the law of conservation of mass, causing new matter to be created or it is an execption to the law of conservation of mass.


Why must chemical equations be balanced using coefficients?

The number of atoms in the reactant and products must be equal to obey the law of conservation of mass.


What are conservation laws obey in each of the nuclear reaction?

for both fission and fusion is E=Mc2 energy is mass and vise verse, in both fission and fusion some mass gets lost in the process. this mass gets converted to energy.


Does hydrogen peroxide obey the law of conservation of matter?

The law of conservation of matter is applied to processes not to a compound.


Do inclined planes obey the laws of energy conservation?

Sure, total energy is always conserved.


How does the chemical equation for photosynthesis and cellular respiration obey the law of conservation?

the chemical equation for photosynthesis and cellular respiration obey the law of conservation is given below.the chemical equation for photosynthesis is :6CO2 + 6H2O ==> C6H12O6 + 6O2.The number of atoms are same on both sides even after the reaction.Hence, obey the law of conservationthe chemical equation for cellular respiration is :C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(l) + Energy (as ATP) .The number of atoms are same on both sides even after the reaction.Hence, obey the law of conservation.


What do the atoms do during a reaction that shows they obey the conservation of mass?

During a chemical reaction, atoms rearrange to form new substances. However, the total number of atoms before and after the reaction remains the same, demonstrating the conservation of mass. This means that no atoms are created or destroyed during the reaction; they just combine or separate to form new molecules.


Does an asteroid completing an orbit around the sun conserve energy?

Yes, everything obey the conservation of energy laws.


Which type of star best obey mass-luminosity relation?

Main sequence stars