Conservation of Mass

Descrição

Year 10 Chemistry FlashCards sobre Conservation of Mass, criado por Paige Louise em 26-05-2018.
Paige Louise
FlashCards por Paige Louise, atualizado more than 1 year ago
Paige Louise
Criado por Paige Louise mais de 6 anos atrás
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Resumo de Recurso

Questão Responda
State the law of conservation of mass In a chemical reaction, the total mass of the products is equal to the total mass of the reactants
Why must a symbol equation balance? Mass is conserved because no atoms are made or lost
Calculate the relative formula mass of water (h20) h=1 o=16 1+1+16=18 Mr=18
Calculate the relative formula mass of calcium carbonate (CaCO3) Ca=40 C=12 O=16 16+16+16+12+40=100 Mr=100
When iron is burned, iron oxide is produced and the mass of the solid increases. why does the mass of the solid increase? The mass of the solid increases because when the iron is burned, it combines with the oxygen and the oxygen has mass

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