Compounding the Issue
1a. The compound formula for table salt.
What is NaCl?
2a. A type of matter with its own particle and formula.
What is a substance?
3a. Any acid, in its 100% pure form, looks like this.
What is 'A white powder'?
4a. This is what the arrow points to in a reaction.
What are the products?
5a. These numbers are used to multiply atoms in a compound formula.
What are subscripts?
1b. The name for Ca(OH)2.
What is calcium hydroxide?
2b. A compound in which one atom gives away electron(s) and another atom receives them.
What is ionic?
3b. The best way to detect odors from an open test tube.
What is 'Waft with me'?
4b. This kind of reaction gets hot!
What is an exothermic reaction?
5b. We balance chemical equations to show that matter...
What is can't be created from nothing or destroyed into nothing.
1c. AKA: Baking Soda
What is NaHCO3?
2c. This is a group of atoms that are bonded covalently.
What is a molecule?
3c. This is what the arrow means in a chemical equation.
What is 'produces'?
4c. There's too much of this reactant?
What is excess reactant?
5c. These numbers are used to multiply molecules in a chemical equation.
What are coefficients?
1d. The name for Fe2O3.
What is iron oxide, or rust?
2d. The smallest unit of a substance that has all the properties of the substance.
What is a particle?
3d. Reactions could use a bit more of this type of reactant.
What is the 'limiting reagent' or the 'limiting reactant'?
4d. These reactions combine oxygen with other substances.
What is an oxidation or combustion reaction?
5d. This law says that matter can't be destroyed.
What is the law of conservation of mass or matter?
1e. This is the compound formula for Citric Acid.
What is C6H8O7?
2e. The kind of electrons that allow chemical bonds to form.
What valence electrons?
3e. This indicates a gas is being produced, which means a chemical reaction is happening.
What is 'effervescence'?
4e. This kind of reaction requires energy.
What is an endothermic reaction?
5e. C2H2 + O2 -> CO2 + H2O....Balanced!
What is 2C2H2 + 5O2 -> 4CO2 + 2H2O