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F22 - rxn types
types of reactions
Question | Answer |
---|---|
What are the reactants in a chemical equation? | The materials you start with. |
A + B —> AB: Which type of reaction? | synthesis reaction |
AB —> A+ B: Which type of reaction? | decomposition reaction |
AC + B —> A + BC: Which type of reaction? | single replacement reaction |
AC + DB —> AB + DC: Which type of reaction? | double displacement reaction |
What are the products in a chemical equation? | The materials that are made. |
CH + O2 —> CO2 + H2O: Which type of reaction? | combustion reaction |
4CS2 - what term describes the 4? | coefficient |
4CS2 - what term describes the 2? | subscript |
What type of change occurs when food is digested? chemical or physical | chemical |
Water is frozen and becomes ice. Which type of change occurs? chemical or physical | physical - it's still water, it's just frozen |
What does the 2 in H2O show? | 2 atoms of hydrogen |
What does the 8 in 8HCl show? | 8 molecules of HCl |
What happens to bonds during a chemical reaction? | bonds are broken or made |
NaCl - What is the anion? | Cl |
FeO3 - What is the cation? | Fe |
What term should be used when describing the --> (arrow) in a chemical reaction? | yields |