Stoichiometry mystery picture answers

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This is a fun puzzle activity to segway into stoichiometry - includes molar mass calculations, mole-gram conversions, mole-molecule conversions, and balancing equations. An excellent alternative to a boring worksheet! Students get 36 practice problems! Also works great as a partner activity - stud. ScienceChemistry. ActivitiesGames. Add to cart. Wish List. Intro to Stoichiometry Puzzle Version B.

stoichiometry mystery picture answers

ActivitiesCooperative Learning. Intro to Stoichiometry Puzzle Version C. Intro to Stoichiometry Puzzle Version A. This breakout escape room is a fun way for students to test their skills with stoichiometry. Most problems give the chemical equation. A few problems require students to figure out the chemical equation, balance it, and then answer the question.This lesson is part of a three-day lab.

In the first day students design their lab, which includes solving a stoichiometry problem. On the second day they conduct the lab, and on the third day they write and critique their lab report. For the hypothesis, students use stoichiometry to predict how much carbon dioxide is produced when mixing a known amount of vinegar and baking soda.

This lesson aligns to the NGSS Disciplinary Core Idea of HS-PS Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction because students use proportional relationships between masses of atoms in the reactants and the products, and the translation of these relationships to the macroscopic scale using the mole as the conversion from the atomic to the macroscopic scale.

Using stoichiometry, students can predict the amount of product they produce and then compare that prediction to their actual yield. It aligns to the NGSS Practice of the Scientist of Planning and carrying out investigations —students must plan an investigation into how closely theoretical yield and actual yield align.

It aligns to the NGSS Crosscutting Concept of Stability and Change because the experimental design is about quantifying changes that reactants undergo as they become products. In terms of prior knowledge or skills, students should have a solid understanding of how to conduct gram-to-gram conversions using stoichiometry as described in this lesson.

The materials needed for this lesson are simply a word processor, but in order to conduct the experiment in a subsequent lesson they will need the following:. Activator : Once I have taken attendance I ask students what questions they have.

If they do not ask questions then I ask them questions using cold call to check for understanding. I have chosen this approach because sometimes students are afraid to ask questions but they have questions that they need to ask.

Sometimes I mix up my approach. First I take questions, and then I ask questions that get at the key points. These may include:. Why are you doing this? Mini-lesson : This is the first formal lab report I am asking students to write this year.

I start by showing what a lab report looks like by using this Sample Student Lab Report. I want them to see that it is typed, that contains headings and data tables that have labels on them, and that it contains certain sections.

This lab report video shows how I discuss the first part of the lab report. I note then that the first thing students need to do is to write their experimental design. This serves two purposes. First, it forces students to articulate what it is they will do at the lab bench before they begin using chemicals and equipment.

Second, it helps give momentum to their lab report. The experimental design is the first sections of the lab report, including the introduction, a hypothesis, the procedure and materials, and a blank data table. At this point in class I reveal that each student will have their own amount of vinegar that is unique to them. This instructional choice reflects my strategy of breaking down larger projects into smaller manageable ones.

First students do the design, and on subsequent days they conduct their experiment and then analyze their results to writes a conclusion.

stoichiometry mystery picture answers

Student Activity : Once there are no more questions from me or the students, I ask them to begin work. Because each student brings different strengths to this work, during this time I circulate. I help some students get started, and I answer questions for others.

I am looking to see that students are following the lab report format and that they understand the details for each part of the lab report. Catch and Release Opportunities : Here are some pitfalls I am watching out for.Why don't fictional characters say "goodbye" when they hang up a phone?

All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Hottest Questions. Previously Viewed. Unanswered Questions. Social Network Websites. What was the answer to Neopets Mystery Picture Competition number ?

Wiki User It is against the rules to share the answers to the Mystery Picture contests. Not only is it breaking a rule, but it also decreases your share of the 2, Neopoint prize pool. Just use your imagination to think of what that blurry picture could be. Darigan Toys Shopkeeper. Faerieland Bucket And Spade Set. Asked in Math and Arithmetic, Prime Numbers, NumbersHow To How to work out 47 is divided by a mystery number there is a remainder of 3 what could the mystery number be-?

If 47 is divided by a mystery number with a remainder of 3 the mystery number is 4. Asked in Prime Numbers, NumbersComposite Numbers The number 15 is divided by a mystery number and the answer obtained is more than 15What can you say about the mystery number? The mystery number is less than one a fractional number. Yes, you can have a pin number for neopets. Asked in Factoring and Multiples What is the mystery number if the multiple of it is 10 and 5 the factor is 12 and the sum is 6?

stoichiometry mystery picture answers

A number with multiples 10 and 5 would not have a factor of A single mystery number would not have a sum of 6.

Under these conditions, the mystery number will remain a mystery. Codestones are used to pay for pet training courses at the Mystery Island Training School. Each course costs a different number of codestones, depending on their level. Asked in Neopets How much does the Marrow weigh on Neopets? A new marrow with a new weight is brought out every day. However, the weight is always a whole number from to pounds.

As soon as 10 people guess the marrow's weight correctly, the competition closes. Asked in Math and Arithmetic, Numbers What is a picture perfect number? In math a picture perfect number is a number which is the sum of its proper divisors. The phone number of the Trees Of Mystery is: Asked in Factoring and Multiples What is your mystery number your number is between the square numbers 1 and 25 your number has exactly two factors and both 66 and are multiples of your number?

Your mystery number is Stoichiometryin chemistrythe determination of the proportions in which elements or compounds react with one another. The rules followed in the determination of stoichiometric relationships are based on the laws of conservation of mass and energy and the law of combining weights or volumes. See also equivalent weight. Info Print Cite. Submit Feedback.

Thank you for your feedback. Stoichiometry chemistry. See Article History. Read More on This Topic. In addition to his qualitative specification of chemicals, Berzelius investigated their quantitative relationships. As early ashe…. Learn More in these related Britannica articles:.

Stoichiometry

As early ashe began to prepare an up-to-date Swedish chemistry textbook and read widely on the subject of chemical combination. Finding little information on the subject, he decided to…. In fact, the laws of stoichiometry combining weights of elements were just then being developed, and Dalton used these regularities to justify his inferences. His first discussion of these issues dates toand he presented his atomic theory in the multivolume New System of Chemical Philosophy — The stoichiometry of a reaction consists of the chemical formulas and relative molecular proportions of starting materials and products.

Obviously these have a bearing on the mechanism of the reaction, for the overall reaction course must proceed from starting materials to the products. The stoichiometry of…. History at your fingertips. Sign up here to see what happened On This Dayevery day in your inbox!

Email address. By signing up, you agree to our Privacy Notice.One of my students depicted the harrowing climb below:. Where Gm is the diatomic element graham cracker, Ch is chocolate and Mm is marshmallow. Students even complete a limiting reactant problem when given a finite amount of each ingredient.

Mystery Picture Short O

The reward for all this math? Now that they have gotten the marshmallow roasting out of their systems, it is time to start the final ascent to the top of chemistry mountain! I love a lot of things about the Modeling Instruction curriculum, but BCA tables might be my favorite.

BCA tables are an awesome way to help students think proportionally through stoichiometry problems instead of memorizing the mass-moles-moles-mass algorithm. I introduce BCA tables giving students moles of reactant or product. Students react solutions of sodium carbonate and calcium chloride mass and mixed by students to form calcium carbonate. Students gravity filter I do not have aspirators in my room for vacuum filtration the precipitate and dry it.

While waiting for the product to dry, students calculate their theoretical yields. After drying, students are able to calculate their percent yields and discuss why this is an important calculation and what their possible sources of error are.

This can be saved for after limiting reactant, depending on how your schedule works out. Students learned about molarity back in Unit 7 but it never hurts to review before you jump into the stoichiometry. Again, the key to keeping this simple for students is molarity is only an add-on. Students started by making sandwiches with a BCA table and then moved on to real reactions. This activity helped students visualize what it looks like to have left over product.

This worksheet starts by giving students reactant quantities in moles and then graduates them to mass values. The BCA table helps students easily pick out the limiting reactant and helps them see how much reactant is leftover and how much product is produced in one organized table. When I have a really challenging problem that I think would take too long for individual groups to solve, I hold a chemistry feelings circle.

I arrange all of my seats in a tight circle and place a pile of whiteboards and markers in the middle. Every student must sit in the circle and the class must solve the problem together by the end of the class period.

I act like I am working on something else but really I am taking notes about their conversations. Once all students have signed off on the solution, they can elect delegates to present it to me. This year, I gave students a zombie apocalypse challenge problem involving the 2-step synthesis of putrescine.

Students had to determine whether they could synthesize enough putrescine to disguise all of their classmates. Spoiler alert, there is not enough! With limiting reactant under our their belts, it is time for another stoichiometry add-on, the last one. It is time for the ideal gas law. I return to gas laws through the molar volume of a gas lab. Students know how to convert mass and volume of solution to moles.One of my students depicted the harrowing climb below:.

Where Gm is the diatomic element graham cracker, Ch is chocolate and Mm is marshmallow. Students even complete a limiting reactant problem when given a finite amount of each ingredient. The reward for all this math? Now that they have gotten the marshmallow roasting out of their systems, it is time to start the final ascent to the top of chemistry mountain!

I love a lot of things about the Modeling Instruction curriculum, but BCA tables might be my favorite. BCA tables are an awesome way to help students think proportionally through stoichiometry problems instead of memorizing the mass-moles-moles-mass algorithm. I introduce BCA tables giving students moles of reactant or product. Students react solutions of sodium carbonate and calcium chloride mass and mixed by students to form calcium carbonate.

Students gravity filter I do not have aspirators in my room for vacuum filtration the precipitate and dry it. While waiting for the product to dry, students calculate their theoretical yields. After drying, students are able to calculate their percent yields and discuss why this is an important calculation and what their possible sources of error are. This can be saved for after limiting reactant, depending on how your schedule works out.

Student Exploration Meiosis Gizmo Answer Key

Students learned about molarity back in Unit 7 but it never hurts to review before you jump into the stoichiometry. Again, the key to keeping this simple for students is molarity is only an add-on. Students started by making sandwiches with a BCA table and then moved on to real reactions. This activity helped students visualize what it looks like to have left over product.

This worksheet starts by giving students reactant quantities in moles and then graduates them to mass values. The BCA table helps students easily pick out the limiting reactant and helps them see how much reactant is leftover and how much product is produced in one organized table. When I have a really challenging problem that I think would take too long for individual groups to solve, I hold a chemistry feelings circle.

I arrange all of my seats in a tight circle and place a pile of whiteboards and markers in the middle. Every student must sit in the circle and the class must solve the problem together by the end of the class period.Still the quickest and easiest way of contacting me.

If you would like to be kept up-to-date with additions to this website then the better option would be to suscribe to the RSS feed or use one of the other more sociable options below. Mail Me. Assuming I can get this to work as intended, then if you suscribe to the RSS feed you should get an automatic up-date everytime I decide there has been a significant change.

Subscribe to RSS Feed. Connect through Facebook. If you are desperate to share with your friends then open the egg and choose from the options available. Though there will be National 1 courses produced, equivalent to Access 1, these are rarely used in mainstream schools.

Though there will be National 2 courses produced, equivalent to Access 2, these are rarely used in mainstream schools. Though National 3 Qualifications may be used with older pupils, the content is very much at the Introduction to Chemistry level and could be used with pupils S1-S3 11 - 14yrs. National 4 is the beginning of more specialised Chemistry teaching. Internally assessed mainly. Is a specialised Chemistry course designed to take pupils onto Higher level. Externally assessed. This is the specialised Chemistry course which provides the entrance requirement for many Further Education courses.

This overlaps with early stages of Degree courses. Though not essential, this course is aimed at those seriously considering studying Chemistry or related subjects at University. I'll use this for resources that are not specifically aimed at any particular course and may well be simply for fun. National 3. National 4.

National 5. National 6. National 7. Mainly Fun. If you are a regular user of this website, and any of the Resources that I have personally produced, you may like to make a small donation. At the moment, the Search Engine will search all of my websites so expect most hits to be for the older version of my website until I have completely transferred all the resources over. I'm presently writing Topic 5 - Calculations and Topic 6 - Acids and Bases working titles, may change.

N5ChemTutor App 1. I usually print out and collate complete sets of the Evidence Dossier and present to each group once they have progressed through the Mystery and have 'collected' all the Evidence.

The main 'Chemistry' they require is the ability to work out Molecular masses to more than normal number of decimal places - see Periodic table in pack for suitable Atomic Masses. Groups of 3 to 4 with a laptop between them works well. If you are struggling to see the preview version above then you can also try opening the combined pdf version below and adding it to your iBooks library for viewing.

Mail Me Still the quickest and easiest way of contacting me. Subscribe to RSS Feed Assuming I can get this to work as intended, then if you suscribe to the RSS feed you should get an automatic up-date everytime I decide there has been a significant change. Share with your Friends If you are desperate to share with your friends then open the egg and choose from the options available. National 1 Though there will be National 1 courses produced, equivalent to Access 1, these are rarely used in mainstream schools.

National 2 Though there will be National 2 courses produced, equivalent to Access 2, these are rarely used in mainstream schools. National 3 Though National 3 Qualifications may be used with older pupils, the content is very much at the Introduction to Chemistry level and could be used with pupils S1-S3 11 - 14yrs. National 4 National 4 is the beginning of more specialised Chemistry teaching. National 5 Is a specialised Chemistry course designed to take pupils onto Higher level.


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