Name: ______Date: ______Period: ______
HONROS Chemistry Second Semester Final Exam Study Guide
For any problems involving calculations you MUST show all work with units.
Study guide will be checked on a daily basis for completion grade and is due on the day of the final exam.
1 mole = 22.4 Liters1 mole = 6.02 x 1023 particles
1 mole = (molar mass) g
___ mole A = ___ mole B /
[H+1] x [OH-1] = 1 x 10-14 / pH = - log [H+]
pOH = - log [OH-1]
pH + pOH = 14
[H+1] = 10-pH
[OH-1] = 10-pOH
- Nomenclature: for each of the following compounds below write the chemical name or the chemical formula.
- hydroiodic acid
- manganese(II) oxide
- chromium(II) chlorite
- hydrofluoric acid
- nitrous acid
- lead(IV) nitride
- aluminum peroxide
- cobalt(III) sulfate
- strontium sulfide
- dinitrogen trioxide
- barium hydroxide
- tetrarsenicdecoxide
- bromine trioxide
- barium nitrate
- Mg(SO3)2
- NaClO3
- Sn(ClO2)4
- Hg3(PO4)2
- SrCO3
- PCl5
- P2O5
- HBr
- HCl
- HNO3
- S2Cl2
- BaCl2
- NaBr
- Fe2O3
- Six Types of reactions: combination (synthesis), decomposition, combustion, single replacement, double replacement, neutralization
- the substance(s) created by a chemical reaction are call the ______
- the substance(s) that start a chemical reaction are call the ______
- state 4 observation thatare evidence a chemical reaction (change) has occurred?
- Describeeach of the 6 major types of reactions?
- Give an example for EACH of the 6 types of reactions.
- Balance the following chemical reactions and identify the type of reaction occurring. If names are given you MUST FIRST balance charges to writhe the chemical formulas.
a)___CaCO3(s) + ___HCl(aq) → ___H2O(l) + ___CO2(g) + ___CaCl2(aq)
b)___ HBr + ___ Al(OH)3 ___ H2O + ___ AlBr3Type of reaction: ______
c)___Mg (s) +__ HCl(aq) → ___MgCl2 (aq) + ___H2(g)Type of reaction: ______
d)___ NaBr + ___ Ca(OH)2 ___ CaBr2 + ___ NaOHType of reaction: ______
e)___SO2(g) +___ O2(g) → ___SO3(g)Type of reaction: ______
f)___ NH3+ ___ H2SO4 ___ (NH4)2SO4Type of reaction: ______
g)___Fe(NO3)2(aq) + ___H2S(g) → ___FeS(s) + ___HNO3(aq)Type of reaction: ______
h)___ C5H9O + ___ O2 ___ CO2 + ___ H2OType of reaction: ______
i)___ Pb + ___ H3PO4___ H2 + ___ Pb3(PO4)2Type of reaction: ______
j)___NH4OH(aq)→___ NH3(g) + ___H2O(l)Type of reaction: ______
k)barium chloride(aq) and silver nitrate (aq) are mixed to form solid silver chloride and aqueous barium nitrate Type of reaction: ______
l)Hydrogen gas and oxygen gas react to make hydrogen peroxide.Type of reaction: ______
m)Sulfuric acid and calcium hydroxide react to make water and calcium sulfate. Type of reaction: ______
- Predict the productsof the following reactions, and identify the type of reaction
- NaOH(aq) + H2SO4(aq) →Type of reaction: ______
- Zn (s) + HCl(aq)→Type of reaction: ______
- AgNO3(aq) + BaCl2(aq) →Type of reaction: ______
- Fe2(SO4)3(aq) + Ba(OH)2(aq)→Type of reaction: ______
- KNO3(aq) + BaCl2(aq) →Type of reaction: ______
- H2O (l) →Type of reaction: ______
- Hg + O2→Type of reaction: ______
- Stoichiometry [SHOW ALL calculations with units and chemical formulas]
- Calculate the theoretical yield in grams of iron in the reaction of 687.5 g of iron (III) oxide with excess carbon, according to the equation: 2Fe2O3(s) + 3C(s) → 4Fe(s) + 3CO2(g)
- If 167g of Fe3O4 is reacted with excess CO, what mass of CO2 will be produced, according to the equation Fe3O4(s) + 4CO(g) → 4CO2(g) + 3Fe(s)
- What mass of Silicon Nitride [Si3N4]is produced from 35.0 g of Nitrogen given the following equation? 3 Si + 2 N2 → Si3N4
- What mass of Iron (III) Bromide [FeBr3] is produced from 78.9 g of Bromine given the following equation? 2Fe + 3 Br2 2 FeBr3
- What mass of Silicon Nitride [Si3N4] is produced from 35.8 g of Silicon given the following equation? 3 Si + 2 N2 → Si3N4
- If I start the following reaction with 63.4 grams of magnesium and an excess of nitric acid, how many grams of hydrogen gas will I produce? 2 HNO3 + Mg Mg(NO3)2 + H2
- If 48.5 grams of carbon dioxide gas is produced in this reaction, how many grams of sodium hydroxide should be produced? NaHCO3 CO2 + NaOH
- Percent Yield [SHOW ALL calculations with units and chemical formulas]
- If the actual yield of Iron in problem 5a is 102.5 g what is the percent yield?
- If the actual yield of Silicon Nitride [Si3N4] in problem 5c is 64.4 g what is the percent yield?
- If the actual yield of Iron (III) Bromide [FeBr3] in problem 5d is 120.5 g what is the percent yield?
- Limiting reactant [SHOW ALL calculations with units and chemical formulas]
- how can you determine which reactant is limiting in a problem?
- determine thelimiting reagent if 26.5g ofAl2(SO3)3is reacted with 26.5 g NaOH? Al2(SO3)3+ 6NaOH --> 3 Na2SO3 + 2 Al(OH)3
- What is the limiting reactant if you have 68.5 of Al(NO4)3 and 35.3 g of KCl?Al(NO4)3 + 3 KCl AlCl3 + 3 KNO4
- determine the limiting reagent if 26.5g of Al2(SO3)3 and 68.4g of NaOH Al2(SO3)3 + 6 NaOH --> 3 Na2SO3 + 2 Al(OH)3
Acid and Bases
- List 3 properties of just ACIDS:
- List 3 properties of just BASES:
- List 3 properties of BOTH acids & bases:
- In a neutral solution the
- pH = ______c. pOH = ______
- [OH-1] = ______d. [H+] = ______
- Acid/Base definitions
- Arrhenius acid:
- Arrhenius base:
- Bronsted-Lowery acid:
- Bronsted-Lowery base:
- Lewis acid:
- Lewis base:
- Define and give an example for each of the following:
- Monoprotic acids
- Diprotic acids
- Triprotic acids
- Complete the table
Base / Conjugate acid / Acid / Conjugate base
SO4–2 / HNO2
F-1 / HC2H3O2
HO1- / HSO4–1
NO3-1 / HCO3–1
HSO4-1 / H2S
CO3–2 / H2CO3
- Are the following conjugate acid/base pairs? Why or why not?
a)SO3-2 and SO2
b)CN-1 and OH-1
c)H3O and H2
d)NH4+1 and NH3 / e)H2O and OH-1
f)H2SO4 and HSO3-1
g)CO3-2 and HCO3-1
h)CO3-2 and CO
- Identify the acid, base, conjugate acid, conjugate bases in the following reactions
- NH4+1 + HSO4-1 → H2SO4 + NH3
- HNO3 + OH- H2O + NO3-
- CH3NH2 + H2O CH3NH3+ + OH-
- OH- + HPO4-2 H2O + PO4-3
- NH3 + H2O → OH-1 + NH4+1
- H2O + H2PO4-1 → OH-1 + H3PO4
- Calculations with pH, pOH, [OH-], or [H+]and determine if the substance is Acidic, basic or neutral!! [SHOW ALL calculations]
- Calculate the [OH-] and pOH in a solution that has a pH of 7.30.
- Calculate the pH and [OH-1] if [H+1]= 7.48 x 10-2
- Calculate the [H+] and [OH-] in a solution that shows a pOH of 12.07.
- Calculate the pH, pOH, and [OH-] of 1.0 x 10-3 M H+1.
- Calculate the pH if [OH-1] = 3.68 x 10-7
- Calculate the pH pOH, and[H+] of a solution that has [OH-] = 3.58 x 10-8 M?
- Calculate the pOH, pH and [OH-1 if [H+1]= 9.28x 10-10
- Complete the following table
pH / pOH / [H+1] / [OH-1] / Acid/Base/Neutral
8.25
1 x 10-7
3.53 x 10-11
5.14
2.35 x 10-6
- Molarity: [SHOW ALL calculations with units and chemical formulas]
- Define molarity
- Find the molarity of a solution made with 559 mL and 35.6 g of HC2H3O2
- What is the mass of H3PO4 used to make 98 mL of a 3.14 M solution?
- What is the volume needed to make 1.25 M solution with 25.5 g of NaOH?
- Define concentrated solution
- Define dilute solutions.
- How do concentrated and dilute solutions they differ from each other.
- What are the three thing that you can do to dissolve a solid faster in a solvent?
- What are the three thing that you can do to dissolve a gas faster in a solvent?
- Using the chart what are different types of solutions (saturated, unsaturated or super saturated) formed when the following mass of potassium chloride (KCl) is dissolved at 450C
- 40 grams
- 50 Grams
- 30 grams
- How many grams of KClO3 can dissolve at 40°C in the following amounts of water?
- 300 g H2O
- 25 g H2O
- 5500 g H2O