Chemistry 112-Homework Assignments

Review homework performance standards, shown in the course syllabus, before beginning the assignments. Also, please follow the guidelines for score submission.

Note: An assignment may be posted before its starting date. Do not submit an assignment early as the data will get placed with an earlier assignment.
HW#1-Assigned: Jan 27
#52-Molarity,moles..(10 probs);#53-Molarity,mass..(10 probs);#57-Dilution(10 probs;#160-Naming Compounds(20 probs);#161-Names to Formulas(20 probs);#162-Stock Notation(20 probs)
Due: Tues, Feb 3-9:00am
HW#2-Assigned: Feb 3-Do not begin this assignment until after class on Feb 3
#54-Osmotic Pressure(5 probs);#55-Freezing, boiling..(5 probs);#56-Molecular Weight..(5 probs);#50-Raoult's Law-one volatile..(5 probs);#51-Raoult's Law-two volatile..(3 correct, max 8 attempts)
Due: Tues, Feb 10-9:00am
HW#3-Assigned: Feb 10-Do not begin this assignment until after class on 2/10
#120-Determining Orders..(10 probs);#121-Using the Rate Law(10 probs);#122-First Order Processes(10 probs);#123-The Arrhenius Equation..(3 correct-max 10 attempts);#124-Mechanism and Rate Laws-practice only cannot be submitted.
Due: Tues, Feb 17-9:00am
HW#4-Assigned: Feb 17-Do not begin this assignment until after class on 2/17
#150-Calculating K(10 probs);#151-Calculating K-Advanced(10 probs);#152-Calculating An Equilibrium Conc.(10 probs);#153-Q vs K(10 probs);#154-LeChatelier Effect(20 probs);#155-Combining Equilibria(5 correct, 10 max attempts);#156-Kc and Kp (5 probs);You should also practice with #157-Complex Equilibria-this page cannot be submitted.
Due: Tues, Mar 3-9:00am
HW#5-Assigned: Mar. 3-Do not begin this assignment until after class on 3/3
;#70-Identifying acids and bases(20 probs);#79-Hydrolysis of acids..(10 probs);#80-Proton Transfer Reactions(10 probs);
Due: Tues, Mar. 10-9:00am
HW#6-Assigned: Mar 10-Do not begin this assignment until after class on 3/10
#71-pH,pOH...(20 probs):#72-Basic Relationships..(10 probs);#82-Weak Acid Approx(10 probs);#73-Solutions of Weak Acids(5 probs);#81-Solutions of Weak bases(5 probs);#74-Solutions of acids and bases-complete treatments(5 probs);#75-Acid-base reactions-Calculation of K(5 probs);#76-Acid-base titrations(5 probs);#77-Composition of buffers(5 probs);#78-Properties of Buffers(5 probs)
Due: Thurs, Mar 26-9:00am-date changed
HW#7-Assigned: Mar 26-Do not begin this assignment until after class on 3/26
#135-Calculations based on percent yield(10 probs);#66-The Second Law(10 probs);#68-Energy, heat and work(10 probs);#90-Slightly soluble salts(5 probs);#91-Prediciting precipitation(5 probs);#92-Solubility and the common ion effect(5 probs);#93-Using Solubility to separate ions-practice only, cannot be submitted);#94-Mixing Soluble Salts(5 probs)
Due: Tues, Apr. 14-9:00am
HW#8-Assigned: Apr 14-Do not begin this assignment until after class on 4/14
#147-Oxidation #s(10 probs);#148-Identifying redox species(10 probs);#140-Balancing Redox reactions(5 correct, 10 max attempts)
Due: Tues, Apr. 21-9:00am
HW#9-Assigned: Apr 21-Do not begin this assignment until after class on 4/21
#146-Writing Redox Equations(10 probs);#149-Understanding EChem Reactions(10 probs);#141-Calculating Eo(10 probs);#145-Using the EChem Series(10 probs);#142-Relating Eo...(10 probs);#143 Faraday's Laws(5 probs);#144-Nernst Equation (3 correct-8 max attempts)
Due: Tuesday, May 5-9:00amDate Changed