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WorksheetsChemistry 7.2 & 7.3 Quiz
Total questions: 23
Worksheet time: 46mins
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
NH3 + HCl → NH4Cl
Al(OH)3 → Al2O3 + H2O
One substance reactants into several products.
Decomposition
Synthesis
Combustion
Single Replacement
MgCl2 --> Mg4+ Cl2
2Li + Cl2 -> LiCl
H2 + O2 -> H2O
Are the products or reactants of this reaction storing more energy in their chemical bonds?
Both storing the same
No way to tell
Products
Reactants
What type of reaction is this?
Exothermic
Endothermic
Energy Producing
No way to tell
How can you tell this reaction is exothermic: MgO + CaS ----> CaO + MgS + 200 KJ
Energy is written on the products side
Energy is being released
Less energy is stored on product side
All of these tell me
What term is given to a reaction which transfers heat energy to the surroundings?
Endothermic
Reversible
Exothermic
Exotermic
When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?
Endothermic
Decomposition
Exothermic
Indothermic
When calcium reacts with water, the temperature changes from 18°C to 39°C. Which statement is correct?
The solution at the end is acidic
The reaction is reversible
The reaction is exothermic
The reaction is endothermic
This diagram is exothermic. Why?
products are always at a lower energy compared to the reactants
Products are always at a higher energy compared to the reactants
Reactants are always the same as the products
What type of chemical reaction absorbs energy and requires energy for the reaction to occur?
Endothermic
Exotermic
Exothermic
Endotermic
