Parts of a Chemical Equation
What do you call the starting substances in a chemical equation?
Reactants
Which law states that matter is not created or destroyed?
Law of Conservation of matter
What happens in a Synthesis reaction?
matter combines to form a more complex compound
smaller molecules form a larger more complex molecule
Write a formula for a decomposition reaction using the letters (A, B)
AB → A + B
Which symbol is used to represent a transformation of matter, or the yielded product?
→
arrow
What is the first step to balancing equations?
Count the atoms
inventory
count how many of each element
In a combustion reaction, energy is produced in which two forms?
Light or Heat
What are the reactants in a combustion equation?
Fuel + Oxygen
Identify the product in this equation:
2H2 + O2 → 2H2O
2H2O
water
When balancing en equation, you can only change the...
Coefficients
What do you call the solid material that may form in a double replacement reaction?
Precipitate
This is an example of which kind of reaction?
AgNo3 + NaCl → AgCl + NaNo3
Double Replacment
Write the name of the formula for the following compound:
FeP
In the Magnesium Ribbon Lab, why did the product MgO, have more mass than the Mg Ribbon?
bonded with Oxygen (O)
more matter
Product was made of more matter / stuff
In the Elephant toothpaste lab, the decomposition of hydrogen peroxide had a change in temperature. Was this temperature change considered exothermic or endothermic?
Exothermic
Which type of reaction begins and ends with a compound + pure element?
Single Replacement Reaction
Write the formula for the following compound:
Potassium Nitrate
KNO3
50 seconds -- Determine if this equation is balanced or unbalanced:
F2 + 2LiBr → 2LiF + Br2
Balanced
In a double replacement reaction, the compounds involved are always Ionic. This means they are always made of which two things?
ex: KBr + AgNO3 → KNO3 + AgBr
Metal + NonMetal
Cation + Anion
Predict the product of this single replacement reaction:
AgNO3 + Cu → ________________
AgNO3 + Cu → CuNO3 + Ag