Biodiversity And Conservation worksheets
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A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...
250 grams
380 grams
375 grams
400 grams
What do we call the chemicals that result from a chemical reaction?
reactants
products
subscripts
coefficients
According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?
The wood disappears.
It stays the same chemically.
The atoms in the wood and oxygen rearrange and form smoke and ash.
Nothing.
________ are the starting substances in a chemical equation.
Reactants
Producer
Reaction
Products
The law of conservation of mass states that ________
the total mass of reactants is more than the total mass of products
the mass of a chemical reaction is not constant
the mass of a chemical reaction remains constant
the total mass of reactants is less than the total mass of products
The Law of Conservation of Mass States
Energy cannot be created nor destroyed, it can only change form.
Mass cannot be created nor destroyed, it can only change form.
Mass can be created or destroyed, it cannot change form.
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