production of a gas
formation of a precipitate
change in color
transfer of energy (heat and/or light)
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These are: reaction, chemical formula, reactant, product, chemical equation.
5characteristics of chemical reaction 1, evolution of gas 2,formation of precipitate 3,change in temperature 4,change in colour 5,change in state
The chemical reaction is:Zn + 2 HCl = ZnCl2 + H2
The factors that change the reaction rates of chemical reactions are: 1)temperature 2)concentration 3)pressure 4)physical state 5)a catalyst
ashley haimescombustion(forest fire) rusting of iron nitrogen fixation corrosion of copper
These are: reaction, chemical formula, reactant, product, chemical equation.
Law of Chemical Reaction and Law of Chemical equilibrium
1) Raising the temperature. 2) Increasing the concentration (in solution). 3) Increasing the pressure (in gases). 4) Increasing the surface area of a solid. 5) Use a catalyst.
This is the chemical reaction for burning of propane.
the requiredactivation energy is the basic factor for a reaction to start.
5characteristics of chemical reaction 1, evolution of gas 2,formation of precipitate 3,change in temperature 4,change in colour 5,change in state
The chemical reaction is:C3H8 + 5 O2 = # CO2 + 4 H2O
Temperature Surface area/phase of reactants Concentration of reactants Presence of catalyst Activation energy of reaction
The chemical reaction is: C3H8 + 5 O2 = 3 CO2 + 4 H2O
The chemical reaction is:Zn + 2 HCl = ZnCl2 + H2
The factors that change the reaction rates of chemical reactions are: 1)temperature 2)concentration 3)pressure 4)physical state 5)a catalyst
A catalyst (e.g) MnO2 and Hydrogen Peroxide Concentration (e.g) 5 Molar HCL with react faster than 0.1m Temperature (Magnesium + cold water no reaction)