Measurement, Mass & Equations (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Why mass seems to change in some reactions
Why mass seems to change in some reactions
Gases can escape or enter the reaction container
Is mass conserved in chemical reactions?
Is mass conserved in chemical reactions?
Yes, mass is conserved
Products when is heated
Products when is heated
and
Why mass appears to decrease in decomposition
Why mass appears to decrease in decomposition
gas escapes from open container
Type of container where gases can escape during reaction
Type of container where gases can escape during reaction
Open container
What iron reacts with to form rust
What iron reacts with to form rust
Oxygen () from air
Product formed when iron rusts
Product formed when iron rusts
Iron oxide
Why iron appears to gain mass when rusting
Why iron appears to gain mass when rusting
Oxygen from air combines with it
Example of reaction with apparent mass loss
Example of reaction with apparent mass loss
Heating in open container
Example of reaction with apparent mass gain
Example of reaction with apparent mass gain
Iron exposed to air (rusting)