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The law of conservation of mass, states that mass is conserved in chemical reactions. chemistry is the study of the composition of matter, (what stuff is made of) ans the characteristic changes in the composition of matter. Such as what kind of "stuff" will burn, rust, rot, or otherwise change what it is made out of. If we add the weight (mass) or reactants such as paper and air before the fire and then take the mass (weight) after the fire of the smoke ans ashes, the mass is the same. ONLY in nuclear reactions is mass converted to energy, only in stars nuclear reactors , and atom bombs is mass (weight) converted to energy( light, or heat). So stars are losing mass (weight). A physical change is not a change in composition, typical physical changes are the melting of solids, and the boiling of liquids. Also cutting something big into little pieces, is a physical change NOT a chemical change a short board is still a board.

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How does physical change and chemical change affect mass?

In a physical change, the mass remains the same since it involves a rearrangement of particles without changing their identities. However, in a chemical change, the mass can change due to the formation or breaking of chemical bonds, resulting in a gain or loss of mass.


Does a chemical change effect mass?

Yes, a chemical change does affect mass. This is because during a chemical reaction, new bonds are formed or broken, leading to a rearrangement of atoms. This can result in either an increase or decrease in mass.


If the mass of all objects before a chemical change is 200kg what would the mass be after the chemical changed occurred?

There will be a gain in mass.....but you can't predict the new change in mass unless you weigh the products after the chemical change occurred.


How does temperature affect physical and chemical chemical change?

A change in temperature can change the rate of physical or chemical change.


Why isn't a change in mass an indicator of chemical change?

Neither a chemical nor a physical change results in a change in mass. According to the law of conservation of matter/mass, matter can neither be created nor destroyed. This law holds true for physical and chemical changes.


Is a change in mass an indicator of chemical reaction?

A change in mass can be an indicator of a chemical reaction if there is a conversion of reactants into products with different mass compositions. For example, if gas is released during a reaction or if there is a change in the number of moles of substances present, there may be a noticeable change in mass.


How does the mass of an objects affect inertia?

Mass is the measure of inertia and if you change the mass the inertia will change.


What does not affect its chemical composition?

the mass number! :)


Is mass a chemical change or physical change?

Mass is neither a physical nor chemical change; however, it is a physical property of matter.


What will the mass be after the chemical change?

Total mass never changes.


Mass does not change during a chemical change how about for a physical change?

Physical changes are like cutting paper. The mass does not change. Chemical changes do not change total mass either. If you put a candle in a sealed container so that you may measure the total mass of the candle and the air before burning, then light the candle electrically but keep everything sealed, the total mass after burning will still be the same. But if you measure only the candle, then its mass has changed. So the mass of one single 'ingredient' will change during a chemical change.


How do physical and chemical changes affect mass?

law of consevation of mass states that the total mass before a chemical reaction is the same as the total mass after the chemical reaction