Reactions Revealed
Reaction that where two compounds join to form a new compound.
What is a synthesis reaction?
Substances at the beginning of a chemical reaction (ingredients).
What are reactants?
Balance the following chemical equation:
HCl + Ba(OH)2 → BaCl2 + H2O
2 HCl + Ba(OH)2 → BaCl2 + 2 H2O
Melting water is this type of change.
What is a physical change?
Classify this chemical reaction:
CH4 + 2O2 --> CO2 + 2H2O
What is a combustion reaction?
What is the molar mass of glucose?
C6H12O6
What is 180.18g?
A container has a temperature of 27 celsius with a pressure of 1.34 atmospheres. If you increase the temperature to 40 celsius, what is the new pressure?
P1/T1 = P2/T2
What is 1.40atm?
Reaction where a compound breaks down.
What is a decomposition reaction?
New substances formed in a chemical reaction.
What are products?
Balance the following chemical equation:
Fe + H2O → Fe2O3 + H2
2 Fe + 3 H2O → Fe2O3 + 3 H2
Rusting iron is this type of change.
What is a chemical change?
Classify this chemical reaction:
2H2 + O2 → 2H2O
What is a synthesis reaction?
2Na + Cl2 -> 2NaCl
The amount of NaCl produced when 10 moles of chlorine reacts with excess sodium.
A container has a temperature of 72 celsius with a volume of 12 liters. If you decrease the temperature to 53 celsius, what is the new volume be?
V1/T1 = V2/T2
What is 11.34L?
Reaction where one compound replaces another compound in a chemical bond.
What is a single displacement reaction?
Reaction that emit heat.
What is an exothermic reaction?
Balance the following chemical equation:
Pb(NO3)2 + NaOH → Pb(OH)2 + NaNO3
Pb(NO3)2 + 2 NaOH → Pb(OH)2 + 2 NaNO3
T/F: Acids have a sour taste.
What is true?
Classify this chemical reaction:
Cu + FeSO4 -> Fe + CuSO4
What is a single displacement reaction?
The amount of grams in 3.5 moles of carbon.
What is 42.04g?
A container has a temperature of 92 celsius with a volume of 15 liters and a pressure of 5.97 atmospheres. If you decrease the temperature to 32 celsius and increase the volume to 21 liters, what is the new pressure be?
P1V1/T1 = P2V2/T2
What is 3.56atm?
A reaction where two compounds swap an element to form two new compounds.
What is a double displacement reaction?
These elements are diatomic.
What is Hydrogen, Oxygen, Nitrogen, and the Halogens (Group 17)?
Balance the following chemical equation:
HClO2 → ClO2 + HCl + H2O
5 HClO2 → 4 ClO2 + HCl + 2 H2O
KCl in water forms a precipitate.
What is false?
Classify this chemical reaction:
CaCO3 -> CaO + CO2
What is a decomposition reaction?
175g of H2SO4 in moles.
What is 1.78 mol of H2SO4
A container has a temperature of 57 celsius with a volume of 9 liters and a pressure of 6.47 atmospheres. How many moles of oxygen would there be?
PV = nRT
R = 0.0821
What is 2.14mol of oxygen?
A reaction which always produces carbon dioxide and water vapor.
What is a combustion reaction?
Five changes indicating a reaction has taken place.
1. Gas (odor)
2. New solid (precipitate)
3. Change in temperature
4. Light
5. Change in color
Balance the following chemical equation:
Al + Mg(NO3)2 → Al(NO3)3 + Mg
2 Al + 3 Mg(NO3)2 → 2 Al(NO3)3 + 3 Mg
What is HCl, HBr, HI, HNO3, H2SO4, HClO3, or HClO4?
Classify this chemical reaction:
Na2S + 2HCl --> 2NaCl + H2S
What is a double displacement reaction?
The percent composition of H2O.
What is 11.22% hydrogen and 88.78% oxygen?
FINAL JEOPARDY!!
CH4 + 2O2 -> CO2 + 2H2O
The amount of CH4 in grams needed to produce 155g of water with excess oxygen. (Convert 155g of water to grams of CH4)
What is 69.06g of CH4?