Acids & Bases
This is how you can tell a substance is an acid or a base by looking at their formulas.
What are the formulas for Acids begin with Hydrogen (H) and Bases end with Hydroxide (OH), Carbonate (CO3), or Bicarbonate (HCO3)?
CO2 + 2LiOH --> Li2CO3 + H2O
The number of moles of lithium hydroxide are required to react with 20 moles of CO2.
What is 40 mol of CO2?
The Molarity of a Sodium Chloride solution containing 0.25 moles of sodium chloride dissolved in 2.00L of water.
What is 0.13M?
Mg + 2HCl --> MgCl2 + H2
The number of grams of hydrogen that is produced if we start with 2 moles of hydrochloric acid with excess magnesium.
What is 2 grams of H2?
The reactant that runs out first in a chemical reaction and it also determines the amount of the other reactants that can combine (and the amount of product that can form) in a chemical reaction.
What is the Limiting Reactant?
The type of chemical reaction that occurs when an Acid and Base react.
What is a Neutralization Reaction?
6CO2 + 6H2O --> C6H12O6 + 6O2
The number of moles of carbon dioxide that are needed to react with 3.25 moles of water in the reaction described above.
What is 3.25 moles CO2?
The number of moles contained in 2.50L of a 0.5000M solution of Sodium Hydroxide.
What is 1.25 moles?
Mg + 2HCl --> MgCl2 + H2
The mass in grams of hydrochloric acid (molar mass is 36.5 g/mol) that is needed to react with 2.50 moles of magnesium.
What is 182 grams of HCl?
The reactant that is left over after the chemical reaction is complete.
What is the Excess Reactant?
Acid, Base, or Neither:
NaHCO3
NaC2H3O2
HC2H3O2
What are...
Base - NaHCO3
Acid - HC2H3O2
Neither- NaC2H3O2
2Mg + O2 --> 2MgO
The number of GRAMS of magnesium oxide that are produced from 1.2 moles of magnesium.
What is 48 grams?
The Molarity of a KCl solution if given 0.25 grams of KCl and 300. mL of the solution.
What is 0.011 M?
Ammonia (NH3) decomposes to produce nitrogen and hydrogen gas.
The number of moles of H2 formed by the decomposition of 0.145 moles of ammonia.
What is 0.218 mol of H2?
Write the correct balanced equation for the reaction shown below.
Phosphorus combines with oxygen gas to produce tetraphosphorus decoxide.
What is 4P + 5O2 --> P4O10?
Acid, Base, or Neither:
NaCl
CO2
H2CO3
NaOH
HCl
NaHCO3
What are...
Acids - H2CO3 & HCl
Bases - NaOH & NaHCO3
Neither - NaCl & CO2
2NH4NO3 --> 2N2 + 4H2O + O2
The number of moles of water that are produced from 36.00 grams of ammonium nitrate.
What is 0.8995 moles?
The number of milliliters used to make a 1.25M Sodium Chloride solution containing 0.3125 moles of Sodium Chloride.
What is 250.mL or 2.50x102 mL?
Hydrogen gas reacts with oxygen gas to form water.
Determine the limiting reactant when 5 moles of H2 react with 7 moles of O2. (HINT: Think of the Visual Stoich Activity/Problems)
What is H2?
How much of the Limiting Reactant is left over after a reaction is complete?
What is nothing is left over?
DOUBLE JEOPARDY (2 POSSIBLE ANSWERS - THE BETTER ANSWSER GETS DOUBLE POINTS - IYKYK)
The full balanced chemical equation, with physical states, for the reaction of Sulfuric Acid and Sodium Bicarbonate.
What is...
H2SO4(aq) + 2NaHCO3(aq) --> Na2SO4(aq) + 2HHCO3(aq) (worth 500 points)
H2SO4(aq) + 2NaHCO3(aq) --> Na2SO4(aq) + 2H2O(l) + 2CO2(g) (worth 1000 points)
Hydrogen and oxygen gases react under a specific set of conditions to produce water.
The number of moles of oxygen required to produce 5.0 moles of water in the reaction described above.
What is 2.5 mol O2?
The number of grams of sodium hydroxide required to prepare 500.0 mL of 0.100 M solution.
What is 2.00 grams of sodium hydroxide?
Hydrogen gas reacts with oxygen gas to form water.
How many moles of the Excess Reactant are left over when 6 moles of H2 react with 7 moles of O2. (HINT: Think of the Visual Stoich Activity/Problems)
What is 4 moles of O2 will be left over?
States that mass is neither created nor destroyed during chemical or physical reactions. (The reason why we balance chemical equations!)
What is the Law of Conservation of Mass?