Sandwich stoichiometry worksheet

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.

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.Stoichiometry is the measure of elements.

In Cooking we measure ingredients. In the process of mixing elements in during chemical reactions the precision of measures of the reactants determines the expected outcomes of products. This is often true in cooking. It is the precision of the measures of the ingredients the determine the expected outcomes of the food prepared. Imagine if you were baking chocolate chip cookies and measured out your ingredients incorrectly.

What if you added 2 tablespoons of flour instead of two cups of flour. Or if you added one cup of salt instead of one teaspoon of salt. Your cookies would definitely not be the hit of the next bake sale.

UNIT 9 - STOICHIOMETRY Stoichiometry Problems 1 Worksheet 1 ...

This is also true of chemistry and why stoichiometry is an important aspect of the chemical process. Balancing measures of the reactants involved to maintain the expected outcomes of the products desired. How does stoichiometry relate to cooking? Chemistry Stoichiometry Stoichiometry. Jan 29, Related questions How do you solve a stoichiometry problem? What is stoichiometry? Question 93ac6. Why do we study stoichiometry? How many grams of NaOH is produced from 1.

12.1: Everyday Stoichiometry

How many grams of Na2O are required to produce 1. What mass of iron is needed to react with How many grams of NaCl are produced when See all questions in Stoichiometry. Impact of this question views around the world. You can reuse this answer Creative Commons License.You are in charge of setting out the lab equipment for a chemistry experiment.

If you have twenty students in the lab and they will be working in teams of two and the experiment calls for three beakers and two test tubes, how much glassware do you need to set out? Figuring this out involves a type of balanced equation and the sort of calculations you would do for a chemical reaction. You have learned about chemical equations and the techniques used in order to balance them. Chemists use balanced equations to allow them to manipulate chemical reactions in a quantitative manner.

Before we look at a chemical reaction, let's consider the equation for the ideal ham sandwich. The equation for our sandwich is shown below. Now let us suppose that you are having some friends over and need to make five ham sandwiches. How much of each sandwich ingredient do you need? You would take the number of each ingredient required for one sandwich its coefficient in the above equation and multiply by five. Using ham and cheese as examples and using a conversion factor, we can write:.

The conversion factors contain the coefficient of each specific ingredient as the numerator and the formula of one sandwich as the denominator. The result is what you would expect. In order to make five ham sandwiches, you would need 10 slices of ham and 5 slices of cheese. This type of calculation demonstrates the use of stoichiometry. Stoichiometry is the calculation of the amount of substances in a chemical reaction from the balanced equation.

The sample problem below is another stoichiometry problem involving ingredients of the ideal ham sandwich. Kim looks in the refrigerator and finds that she has 8 slices of ham. In order to make as many sandwiches as possible, how many pickles does she need?

Use the equation above.

sandwich stoichiometry worksheet

The coefficients for the two reactants ingredients are used to make a conversion factor between ham slices and pickles. Since 5 pickles combine with 2 ham slices in each sandwich, 20 pickles are needed to fully combine with 8 ham slices. The 8 ham slices will make 4 ham sandwiches. With 5 pickles per sandwich, the 20 pickles are used in the 4 sandwiches. Everyday Stoichiometry You have learned about chemical equations and the techniques used in order to balance them.

Figure Example Solution: Step 1: List the known quantities and plan the problem. Step 2: Solve. Step 3: Think about your result.

Summary An example of everyday stoichiometry is given.Recommend Documents. Stoichiometry Problems. General Stoichiometry Notes To solve stoichiometry problems Unit 10A Stoichiometry Notes.

The Mole and Molar Mass. Unit 1 Reinforcement Worksheet. Composition Stoichiometry. Unit 1, Lesson 2 Worksheet 1 Unit 1, Lesson 2. Worksheet 2. Complete the conversation. Tim: Hello. I'm Tim. Kate: I'm Kate. Look at my new toy. Stoichiometry, Surface and Structural. Fun with Stoichiometry! Cobalt Hexacyanoferrate: Compound Stoichiometry. Directions: Do each Dimensional Analysis and Stoichiometry. Problem-Solving Skills: Stoichiometry. Review 5: Chemical Equations and Stoichiometry 1.

Define limiting Nutrients resorption and stoichiometry Dec 15, - though many studies on ecological stoichiometry have been carried out, surprisinglyWorksheet Stoichiometry Answers Use stoichiometry to determine how many filters are needed for balance the equation below and answer the following questions co 2 g o 2 g co g how many grams of oxygen would be produced. Worksheet Stoichiometry Answers. The worksheet is an assortment of 4 intriguing pursuits that will enhance your kid's knowledge and abilities.

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Once you are able to work, you might be surprised how much you get done.Worksheet 1 Stoichiometry. Calculate the mass of carbon required to consume 5.

Calculate the amount of oxygen in grams produced by the reaction of Calculate the theoretical yield in grams of Fe produced by the reaction of 5. Calculate the number of moles CO 2 produced by the reaction of 8. Calculate the number of Fe atoms consumed in the reaction if Calculate the number of grams water produced by the complete reaction of Calculate the mass of carbon required to produce 5. Calculate the amount of oxygen in grams produced by the reaction of g of water.

Calculate the theoretical yield in grams of CO 2 produced by the reaction of Calculate the number of molecules of CO 2 produced by the reaction of 2.

STP is standard temperature and pressure, which is, 0 o C and Kpa. To calculate the molar mass, divide the number of litres by the number of moles.

Weigh a 3. Add about 10 mL of concentrated HCl to a gas collecting tube. Caution: HCl is very corrosive! Carefully pour water over the HCl to fill the gas collecting tube. Fill a mL beaker to mL with water.

The Perfect Egg Salad Sandwich

Roll the magnesium into a coil that is small to fit into the gas collecting tube. Place it into the tube and allow it to sink down to the acid. When it reaches the acid it will begin to bubble and rise.Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.

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sandwich stoichiometry worksheet

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sandwich stoichiometry worksheet

Product Description. Use this worksheet for reviewing or assessing your students' understanding of stoichiometry and stoichiometric calculations from mole to mole, mass to mole, and mass to mass. Your students will love the activity as a more interactive and engaging alternative to a traditional worksheet. Use it as a n in-class or homework assignment, a quiz, or for early-finishers.

Check out the preview for a view of the download. Differentiated versions included. Color by Significant Number Giraffe Worksheet. Significant Figures Worksheet. Color by Significant Number Robot Worksheet. Significant Figures Card Sort. Significant Figures Cut and Paste Worksheet. Color by Significant Number Butterfly Worksheet.


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