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WorksheetsChemistry
Total questions: 22
Worksheet time: 13mins
We can balance the equation because of….
Ionic bond
Law of conservation mass
Stoichiochemistry
Substance that are destroyed by the chemical change ( bonds break )
Product
Reactant
Proton
Electron
Substance created by the chemical change ( new bond form)
Product
Reactant
Proton
Electron
It produces new substances
Chemical Reaction
Evidence of Chemical Reaction
Chemical Equation
Reactants
Describe chemical reactions
Chemical Reaction
Evidence of Chemical Reaction
Chemical Equation
Reactants
Evidence for a chemical reaction
Evolution of light or heat
Temperature Change
Formation of bubble, precipitate
Color change due to the new substance
Freezing
Two or more simple substance combine to form a more complex structure
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
More complex substances breaks into two or more simple parts
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
a single uncombined element replaces another element in an ionic compound based on its reactivity
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
Predict the product of single replacement reactions K+ Na2SO4 —->
NaK + SO4
Na + K2SO4
Na + SO4
K + Na
Part of two aqueous ionic compound switch places to form new compounds, there are two reactant and two product.
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
Combustion
All involved oxygen (O2) they combine with another substance
Complete combustion of a hydrocarbon always produces CO2 and H2O
Combustion of a hydrocarbon will produce CO possibly black carbon as well
The product always water or carbondioxide
Complete equation will have blue flame
Making Ice, Rusting Iron
Exothermic Reaction
Endothermic Reaction
Cooking an egg, evaporation of water, melting Ice cubes
Exothermic Reaction
Endothermic Reaction
How fast/slow a given reaction occurs
Rate
Collision Theory
Energy
Temperature
What are the two things in the rate of the reaction?
Speed
Temperature
Frequency
Energy
What factor speed up reactions?
Increased temperature
Increased concentration of dissolved reactants, and pressure of gaseous reactants
Increased surface area of solid reactants
Use of a catalyst
Conductor in an electrolytic cell that are used to carry electrons
Anode
Cathod
Electrodes
Electrolyte
attached to the positive terminal of the battery
Anode
Cathod
Electrodes
Electrolyte
attached to the negative terminal of the battery
Anode
Cathod
Electrodes
Electrolyte
Solution which the electrodes are placed
Anode
Cathod
Electrodes
Electrolyte
Substance is broken down with the use of electricity
(a)
