Ch. 10 Chemical Reactions Flashcards
Evidence of a chemical reaction
- Tomato smells rotten,
- drain cleaner is mixed with water and the solution becomes warm,
- candle wax burns,
- green leaves turn yellow and red as the seasons change,
- baking powder produces a gas that makes a cake rise
Things that are Reactants
The feel for the space shuttle is hydrogen which burns and oxygen to provide water vapor and energy this chemical reaction hydrogen is a reactive oxygen is a reactant and water vapor is a product
In the chemical equation for this reaction a _________ is used to separate hydrogen oxygen from water vapor and energy
Arrow
A _______ used to separate the symbols for hydrogen and oxygen
Plus sign
Decomposition
QT —> Q +T
Double replacement
QT + XZ —> OZ + XT
Single replacement
Q + XZ —> X + QZ
Synthesis
Q + Z —-> QZ
Combustion
- propane is a common household fuel when burned water and carbon dioxide are produced
- steel wool burns forming an iron oxide
DeComposition
What an electric current is passed through molten and potassium bromide potassium and bromine form
Double replacement
- lime is added to acid water in the lake water and a salt form
- When solutions of sodium iodide and lead nitrate are combined in a yellow solid forms
Single replacement
Chlorine gas is bubbled through a calcium bromide solution the solution turns brown the color of bromine
Synthesis
- aluminum lawn furniture becomes coated with a layer of aluminum oxide when it sits out in the air
- steel wool burns forming an iron oxide
A spoonful of sodium chloride is dissolved in a liter of water what is sodium chloride in the solution?
Solute
What type of reaction occurs between ion present an aqueous solutions?
Double replacement
