Teachers tools chemistry chemical equilibrium worksheet 1

Many chemical reactions do not go to completion but instead attain a state of chemical equilibrium. First for all equilibrium problems you must. Chemical equilibrium name last ans. A state in which the rates of the forward and reverse reactions are equal and the concentrations of the reactants and products remain constant. Equilibrium Chemistry Chemical Kinetics Thermodynamics. Pin On Chem. Share this post. Consider the following equilibrium system. State what affect each of the following will have on this system in terms of shifting.

The pressure is increased. The volume of the vessel is decreased. The pressure is decreased. More Fe is added to the system. Some Fe 3 O 4 is removed from the system. A catalyst is added to the system. Consider the following equilibrium:. More Br 2 is added to the system. Some NO is removed from the system. Some CO was added to the system and a new equilibrium was established.

Compared to the original system, the rates of the forward and reverse reactions of the new equilibrium. Compared to the original concentrations, after the shift, have the new concentrations increased or decreased? Did the equilibrium shift favour the formation of reactants or products? A catalyst was added to the system at constant volume and a new equilibrium was established. The volume of the container was decreased and a new equilibrium was established. Did the equilibrium shift favor the formation of reactants or products?

The chromate and dichromate ions set up an equilibrium system as follows:. Describe how the above equilibrium will shift after each stress below:. Increase in [CrO 4 2- ]. Increase in [Cr 2 O 7 2- ]. Decrease in [CrO 4 2- ]. Decrease in temperature. Add HCl aq. Add NaOH. The copper II ion and copper II hydroxide complex exist in equilibrium as follows:.

Increase in [Cu OH 2 ]. Decrease in [Cu OH 2 ]. Increase temperature. Decrease temperature. Add KCl aq. Consider the equilibrium that follows:. Increase [HCl]. Decrease in [Cl 2 ]. Add Ne at constant volume. Add NaCl. Add NaOH aq. Add CuCl s. Add AgNO 3 aq. Add CuNO 3 aq. Label the graph that best represents each of the following stresses and shift. Worksheet 7 Maximizing Yield. Describe four ways of increasing the yield of for the reaction above.

Describe three ways to increase the rate of the above reaction. Describe three ways of increasing the yield of for the reaction above. Describe four ways to increase the rate of the above reaction. Explain why each condition is used in the process to make ammonia. A High pressure of 50 MP. The presence of Ur or Os. Condensing NH 3 to a liquid. A relatively high temperature o C. Worksheet 8 Equilibrium Calculations. Calculate the value of the equilibrium constant. At equilibrium at o C, a 2. Calculate the Keq for the reaction:.

Calculate the equilibrium [O 2 ] in this mixture at 25 o C. Calculate the Keq at 20 o C. Worksheet 9 Equilibrium Calculations. Solve each problem and show all of your work.

At equilibrium, a 5. Calculate the equilibrium [O 2 ] in this mixture. When 0. Calculate the Keq value. At equilibrium 1. Calculate the K eq. If the equilibrium concentration of O 2 is 2. Two sets of equilibrium data are listed for the same temperature.

Container 1 2. Container 2 5. Determine the number of moles N 2 O 4 in the second container. Get a Keq from the first container and use it for the second container. Worksheet 10 Equilibrium Calculations. At equilibrium, a 2. When a 0. Calculate the [H 2 ] at equilibrium. The same number of moles of I 2 and Cl 2 are placed in a 1. If the equilibrium concentration of ICl is 0. If x moles of ICl were placed in a 5. A student places 2. Calculate the Keq if the following amounts were found at equilibrium in a 2.

At equilibrium the 4. PCl 5 0. At equilibrium 5. If the. If some NO was placed in a. If at a certain time. If not, how will it shift in order to get to equilibrium. Is the reaction at equilibrium? If not, how will it shift in order to get to equilibrium? At a certain temperature the Keq for a reaction is Predict the direction in which the equilibrium will proceed, if any, when the following amounts are introduced to a 10 L vessel.

What is the only way to change the value of the Keq? If the value of Keq decreases when we decrease the temperature, is the reaction exothermic or endothermic? Explain your answer. If the value of Keq increases when we decrease the temperature, is the reaction exothermic or endothermic? Predict whether reactants of products are favored in the following equilibrium systems. What effect will each of the following have on the Keq of the reaction shown below?

For each of these processes, predict if Entropy increases or decreases. Consider both Enthalpy and Entropy and determine if each reaction will. Equilibrium Quiz 1 Approaching Equilibrium. A closed container is initially filled with H 2 O and CO. As the reaction proceeds towards equilibrium the. At equilibrium, the rate of decomposition of SO 3. Equals the rate of formation of O 2. Equals the rate of formation of SO 3. Is less than the rate of formation of O 2.

Is less than the rate of formation of SO 3. Which of the following is true for all equilibrium systems? The mass of reactants is equal to the mass of products. Addition of a catalyst changes the equilibrium concentrations. The concentration of reactants is equal to the concentration of products. The rate of the forward reaction is equal to the rate of the reverse reaction. A flask is initially filled with NH 3.

As the system approaches equilibrium, the rate of the forward reaction. Increases as the rate of the reverse reaction decreases. Decreases as the rate of the reverse reaction increases. Increases as the rate of the reverse reaction increases. Decreases as the rate of the reverse reaction decreases. A system at equilibrium is said to be dynamic because at equilibrium the.

Temperature does not change. Macroscopic properties are constant. Forward and reverse reactions continue to occur. Concentrations of reactants and products are constant. In all systems at equilibrium, the.

Concentration of reactants is less than the concentration of products. Concentration of reactants and the concentration of products are equal. Concentration of reactants is greater than the concentration of products. Concentration of reactants and the concentration of products are constant.

At high temperature, H 2 O and CO are placed in a closed container. As the system approaches equilibrium, the. Rate of the forward and reverse reaction both increase. Rate of the forward and reverse reaction both decrease. Rate of the forward reaction decreases and the rate of the reverse reaction increases. Rate of the forward reaction increases and the rate of the reverse reaction decreases.

Which of the following statements are true for all equilibrium systems? Macroscopic Properties are constant. Mass of the reactants equals mass of the products. III Equilibrium can be achieved from either products or reactants. I and II only. I and III only. II and III only. Initially, a 1. As the system approaches equilibrium, the rate of reaction of NO 2. Increases and [ N 2 O 4 ] increases. Increases and [ N 2 O 4 ] decreases.

Decreases and [ N 2 O 4 ] increases. Decreases and [ N 2 O 4 ] decreases. Nitrogen gas and oxygen react when placed in a closed container. As the reaction proceeds towards equilibrium, the rate of the reverse reaction. Increases as the concentration of products decreases. Decreases as the concentration of products decreases. Increases as the concentration of products increases. Decreases as the concentration of products increases. A system at equilibrium must have.

Which of the following will not shift the equilibrium to the right? Adding more O 2. Adding a catalyst.

Increasing the pressure. Lowing the temperature. Which one of the following changes would cause the above system to shift left? Add more CaO. Remove CaCO 3. Decrease volume. Increase surface area of CaO. When the temperature is decreased, the equilibrium shifts. Left and [ SO 2 Cl 2 ] increases. Chemistry , General Science , Physical Science. An activity worksheet summarizing Le Chatelier's Principles and how equilibrium shifts when an outside stress acts on a reaction.

Discussion of the stresses: temperature, concentration, pressure and catalysts, and how these affect the equilibrium of a chemical reaction. Activities , Graphic Organizers , Scaffolded Notes. My AP Chemistry students struggle with Equilibrium and the same worksheets over and over get boring, even though they need the repetition and reinforcement.

I creat. Activities , Cooperative Learning , Games. The Guided Reading material and Essential Skill Worksheet complement each other and make a great learning, review, or homework packet h. Homework , Printables , Worksheets. Chemical Equilibrium Scribble Notes. Help your Chemistry students with notetaking and keep them engaged. This 8 page activity on Chemical Equilibrium can be used to summarize key concepts. These pages are great to engage your students. They can color and scribble whilst taking notes.

This zip file contains many different activities 43 pages of student handouts and PowerPoints with a total of slides which can be used to compose a unit for chemistry students introducing concepts pertaining to kinetics and equilibrium. While these lessons were originally designed to correlat. Chemistry , Physical Science. Activities , Laboratory , PowerPoint Presentations. PDF Activity. Help your students build their proficiency in the skill of calculating Keq. Used as a bell-ringer, quiz, study station, review, students will be practicing calculating and applying Keq.

Assessment , Science Centers , Study Guides. Use this worksheet as a visual to help students understand how the ratio of products and reactants change as a chemical system undergoes stress and shifts equilibrium. Students must diagram the products at a new equilibrium after various stresses have been applied to the original chemical system.

Activities , Fun Stuff , Worksheets. This is a single 2-page worksheet with problems to accompany an introduction to dynamic equilibrium. This is usually the first worksheet I give my students when we start the equilibrium unit. There are a total of 5 problems, which require students to apply their understanding of equilibrium in sever. Chemistry , Chemistry , Science. Homework , Worksheets. Equilibrium reactions introduction chemistry notes, worksheets and slides. Equilibrium reactions introduction chemistry notes, worksheets and slidesDo you struggle to find the time to fit all the content in when teaching equilibrium reactions in chemistry?

This print-and-go resource is designed to save you as much time as possible while still ensuring students have a full. Chemistry , Physics , Science. Buying a bundle gives you everything you need for a unit in one place at a reduced cost! The Power Points contain the theory, the worksheets contain many practice problems to compliment the. Show 13 included products.

Chemical Equilibrium. This is a bundle of the 3 separate topics included in my Chemical Equilibrium Unit - Writing Equilibrium Constant Expressions which gives the basics on what equilibrium is and how to write out equilibrium constant expressions Using Equilibrium Constant Expressions which gives continued practice o. Show 3 included products. Unsure how to model static and dynamic equilibrium? Unable to do so because of lockdown?

This is a great activity that can be completed at school OR at home using absolutely anything!!!! Ministry of Education, Govt. To score well, students must practice as per the new CBSE term-wise In view of the current Download PDF. Students should also download free pdf of Class 11 Chemistry Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests Equilibrium Class 11 Chemistry Worksheet Pdf Class 11 Chemistry students should refer to the following printable worksheet in Pdf for Equilibrium in standard This test paper with questions and answers for Grade 11 Chemistry will be very useful for exams and help you to score good marks Class 11 Chemistry Worksheet for Equilibrium.

Download solutions for Free Sample Papers with solutions for Class 11 Chemistry, Printable Worksheets Download Worksheets for Class 11 Chemistry made for all important topics and is available for free download in pdf, chapter wise assignments or booklet with Notes Free revision notes, brief chapter explanations, chapter summary and mind maps for all important and difficult topics of CBSE Class 11 Chemistry as per