Part BIn the Sandwiches mode, select the "Cheese" option and observe the equation given for the preparation of a cheese sandwich.In the equation, set the number of bread slices to "2" and the number of cheese slices to "1." You will see that the product formed by these three ingredients is one cheese sandwich.Suppose you have 42 bread slices and 32 cheese slices. How many cheese sandwiches can you make?Express your answer as an integer.• View Available Hint(s)sandwichesSubmitPrevious Answersx Incorrect; Try Again; 3 attempts remainingReview your calculations and make sure you round to an integer in the last step.Part CGo to the Molecules mode by selecting the icon at the bottom. Notice that there are three real reactions: the synthesis of water, the synthesis of ammonia, and the combustion of methane.Select each of the reactions and observe the reactants taking part in the reactions. Suppose you are carrying out each of these reactions starting with five moles of each reactant. Observe that some reactants are in excess whereas some reactants limit the amount of products formed.Classify each of the reactants as a limiting reactant or an excess reactant for a reaction starting with five moles of each reactant.Drag the appropriate items to their respective bins.• View Available Hint(s)Reset Help02 in combustionof methaneH2 in formationof water.02 in formationof waterH2 in formation ofammoniaCH4 in combustionof methaneN2 in formation ofammoniaLimiting reagentExcess reagentSubmit SubmitPart DFind the number of moles of water that can be formed if you have 166 mol of hydrogen gas and 78 mol of oxygen gas.Express your answer with the appropriate units.• View Available Hint(s)i (3 ED ?123+ValueUnitsSubmit

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Answered: , Part B In the Sandwiches mode, select…

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter1: Matter, Measurements, And Calculations

Section: Chapter Questions

Problem 1.12E

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Directions: Use Reactants, Products, and Leftovershttps://phet.colorado.edu/en/simulation/reactants-products-and-leftovers simulation to create your own sandwiches and then see how many sandwiches you can make with different amounts of ingredients. Start off in the sandwich section (select the giant sandwich). Test your learning: a. Predict (without using the sim) how many cheese sandwiches, as defined by the picture to the right, you can make if you have 6 pieces of bread and 4 slices of cheese.
A Kool-aid solution has sugar and flavoring as the solute and water as the solvent. If ice cubes of water are added to a pitcher of Kool-aid, what happens to the sugar molecules as the ice melts. A. There is not enough information given to determine this. B. The sugar molecules will react with the ice cubes. C. The number of sugar molecules will decrease and be further apart. D. The number of sugar molecules will remain the same, but will be further apart.
1st [SELECT] options: the same number of, fewer, or more 2nd [SELECT] options: the same quantity, a smaller quantity, or a greater quantity 3rd [SELECT] options: the same quantity, a smaller quantity, or a greater quantity
The recipe for an ice cream sandwich is given below. 2 cookies + 4 oz ice cream = 1 ice cream sandwich How many ice cream sandwiches can you make if you have an 8 ounce bag of cookies that has 15 cookies? ["", "", "", "", ""] How many ice cream sandwiches can you make if you have 12 ounces of ice cream? ["", "", "", ""] How many ice cream sandwiches can you make if you have 15 cookies and 12 ounces of ice cream? ["", "", "", "", "", ""] What ingredient limits the amount of sandwiches that can be made in this situation? ["", ""]
How can we calculate the percent error for each sample? And energy content in units based on mass and temperature
A hot metal block is plunged into water in a well-insulated container. The temperature of the metal block goes down, and the temperature of the water goes up until their temperatures are the same. A total of 1500 J of energy' is lost by the metal object. By how much did the energy of the water increase? What law of science is illustrated by this problem?
As part of a science project, you study traffic patterns in your city at an intersection in the middle of downtown. You set up a device that counts the ears passing through this intersection for a 24-hr period during a weekday. The graph of hourly traffic looks like this. a. At what time(s) does the highest number of cars pass through die intersection? b. At what time(s) does the lowest number of cars pass through die intersection? c. Briefly describe the trend in numbers of cars over the course of die day. d. Provide a hypothesis explaining the trend in numbers of cars over the course of the day. e. Provide a possible experiment that could test your hypothesis.
Marie Curie was born in Poland but studied and carried out her research in Paris. In 1903, she shared the Nobel Prize in Physics with H. Becquerel and her husband Pierre for their discovery of radioactivity. (In 1911 she received the Nobel Prize in Chemistry for the discovery of two new chemical elements, radium and polonium, the latter named for her homeland, Poland.) They and others observed that a radioactive substance could emit three types of radiation: alpha (), beta (), and gamma (). If the radiation from a radioactive source is passed between electrically charged plates, some particles are attached to the positive plate, some to the negative plate, and others feel no attraction. Which particles are positively charged, which are negatively charged, and which have no charge? Of the two charged particles, which has the most mass? Radioactivity. Alpha (), beta I(), and gamma () rays from a radioactive element are separated by passing them between electrically charged plates.
A particulate-level illustration of the reaction AB+CDAD+CB is shown below. a Identify the reactants and products in this reaction. b Is the change shown chemical or physical? c Is the mass of the product particles less than, equal to, or greater than the mass of the reactant particles? d If the reaction takes place in a container that allows no energy to enter or leave, how does the total energy in the container after the reaction compare with the total energy in the container before the reaction?
You have two distinct gaseous compounds made from element X and element Y. The mass percents are as follows: Compound I: 30.43% X, 69.57% Y Compound II: 63.64% X, 36.36% Y In their natural standard states, element X and element Y exist as gases. (Monatomic? Diatomic? Triatomic? That is for you to determine.) When you react gas X with gas Y to make the products, you get the following data (all at the same pressure and temperature): 1. volume gas X + 2 volumes gas Y2 volumes compound I 2. volumes gas X + 1 volume gas Y2 volumes compound II Assume the simplest possible formulas for reactants and products in the chemical equations above. Then, determine the relative atomic masses of element X and element Y.
9.16 According to Figure 9.2, the total energy supply in the United States in 2016 was 111.261015 Btu. Express this value in joules and in calories. FIGURE 9.2 Energy production and consumption (in quadrillion Btu) in the United States during the year 2016. The discussion in the text explains how to read this complex figure, which contains an enormous amount of information about the energy economy. Data come from the Department of Energy and do not always add up exactly as expected due to rounding and other issues.

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