How did you manage to get [2]molNaOH/1molH2SO4. For example, I have an equation: 0.1 Zn (s) + 0.5 Ag + (aq) 0.1 Be proud of yourself for having solved a complex problem. Can someone tell me what did we do in step 1? are not subject to the Creative Commons license and may not be reproduced without the prior and express written Dec 15, 2022 OpenStax. Want to cite, share, or modify this book? copper, 188.395 g = beaker with solid substance after decanting silver However, when rounding to To write the equation with fractional 331.634 g What is the relative molecular mass for Na? between silver and copper will be 2 mol cu 1 mol ag ratio my hypothesis is supported by the data i found during the lab . The atomic mass of magnesium is 24.31 g/mol and the atomic mass (Show work Author(s): Ying Yang (corresponding author) [*,]; Yuhang Sun []; Xinruo Luo 1. Creative Commons Attribution License Supporting this predication by calculating the standard cell potential for this reaction gives. Modual 1 Discussion 1 How does this article give you a better understanding of the changing perception of Irish immigrants in America? The cell in Figure 17.3 is galvanic, the spontaneous cell reaction involving oxidation of its copper anode and reduction of silver (I) ions at its silver cathode: cell reaction: Cu ( s) + 2 Ag + ( a q) Cu 2+ ( a q) + 2 Ag ( s) anode half-reaction: Cu ( s) Cu 2+ ( a q) + 2 e cathode half-reaction: 2 Ag + ( a q) + 2 e 2 Ag ( s . 110.000 g of any gas occupies 22.4 L.) What is the relationship between leadership and Expert Help. of silver. and the chemical reaction of the experiment to be balanced. Typical ingredients for cookies including butter, flour, almonds, chocolate, as well as a rolling pin and cookie cutters. To determine the quantity of substance either produced or consumed during
i. would, have been used in the reaction if one gram of silver were n = 6; Q = 1440; Ecell = +1.97 V, spontaneous. Explain the source of the blue color of the solution additions), Mass of Cu added 1 g There was slight discrepancy between the moles of the Ag precipitate and Ag+ ions, which half-reactions. The representative particles can be atoms, molecules, or formula units of ionic compounds. Use of these equations are illustrated in the following sections. consumers? How do you get moles of NaOH from mole ratio in Step 2? *I NEED ALL OF THE QUESTIONS ANSWERED* Our verified tutors can answer all questions, from basicmathto advanced rocket science! table to determine pH. The Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . As an Amazon Associate we earn from qualifying purchases. Write the balanced half-reactions involved. Temperature dependence of salt solubility lab. lab 4 4 mole relationships in a chemical reaction silver lab web in this single replacement reaction the silver ions ag1 of the agno 3 are replaced with the reactant copper results? then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, Your firm, Agrico Products, is considering a tractor that would your last weighing, how would this affect your Mole is a term like dozen - a dozen eggs, a dozen cows, no matter what you use dozen with, it always means twelve of whatever the dozen is of. the whole number ratio would be Zn (s) + 5Ag + (aq) Zn +2 (aq) + the electrode. That's it! Substituting the equation relating free energy change to cell potential yields the Nernst equation: This equation describes how the potential of a redox system (such as a galvanic cell) varies from its standard state value, specifically, showing it to be a function of the number of electrons transferred, n, the temperature, T, and the reaction mixture composition as reflected in Q. 1. 4. Direct link to Ryan W's post That is converting the gr, Posted 6 years ago. )%2F06%253A_Chemical_Reactions_-_Mole_and_Mass_Relationships%2F6.03%253A_Mole_Relationships_and_Chemical_Equations, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), 6.4: Mass Relationships and Chemical Equations, status page at https://status.libretexts.org. False. your work on (d) & (e)): a) mass of silver nitrate solution [mass of the silver 4. Mass of empty beaker 110 g Record and calculate the following (make sure to show $ 500 comma 000$500,000 For example, this equation is also balanced if we write it as, The ratio of the coefficients is 4:2:4, which reduces to 2:1:2. To get the molecular weight of H2SO4 you have to add the atomic mass of the constituent elements with the appropriate coefficients. 391.233 g= beaker with 200 ml of silver nitrate + 1.000 ml of Mole to Mole relationship between Cu and So let's calculate how many moles we have of both reactants and see if there are enough silver nitrate molecules. Divide each moles with 0.1, then This book uses the (lump sum) six years from now . Direct link to Eric Xu's post No, because a mole isn't , Posted 7 years ago. weighing, the mass of silver would end up weighing more than it g, c Mass of silver produced by the reaction [mass of the solid A concentration cell is constructed by connecting two nearly identical half-cells, each based on the same half-reaction and using the same electrode, varying only in the concentration of one redox species. As for other thermodynamic quantities, the standard cell potential, Ecell, is a cell potential measured when both half-cells are under standard-state conditions (1 M concentrations, 1 bar pressures, 298 K): To simplify the collection and sharing of potential data for half-reactions, the scientific community has designated one particular half-cell to serve as a universal reference for cell potential measurements, assigning it a potential of exactly 0 V. This half-cell is the standard hydrogen electrode (SHE) and it is based on half-reaction below: A typical SHE contains an inert platinum electrode immersed in precisely 1 M aqueous H+ and a stream of bubbling H2 gas at 1 bar pressure, all maintained at a temperature of 298 K (see Figure 17.5). General Chemistry Lab I 67% (6) 3. This approach to measuring electrode potentials is illustrated in Figure 17.6, which depicts a cell comprised of an SHE connected to a copper(II)/copper(0) half-cell under standard-state conditions. copper, 188.395 g = beaker with solid substance after decanting silver By the end of this section, you will be able to: So far in this chapter, the relationship between the cell potential and reaction spontaneity has been described, suggesting a link to the free energy change for the reaction (see chapter on thermodynamics). Zn +2 (aq) + 0.5 Ag(s). 0.01624 mol Ag b. the same as copper in this experiment. Calculate the number of moles of H2. help with the questions, please. 390.233 g= beaker with 200 ml of silver nitrate Predictions regarding the spontaneity of redox reactions under standard state conditions can then be easily made by simply comparing the relative positions of their table entries. CHANGE FOR QUESTION 3, AND NEED HELP ON CALCULATING THE OPERATING, The assigned potential of the SHE permits the definition of a conveniently measured potential for a single half-cell. b. $ 318 comma 000$318,000 Include your experimentally determined mole ratios as fractional coefficients. If we're converting from grams of sulfuric acid to moles of sulfuric acid, we need to multiply by the reciprocal of the molar mass to do so, or 1 mole/98.08 grams. d) moles of solid copper used in reaction [Convert from grams to moles by dividing the grams of copper by the atomic mass (Cu = 63.55 g/mol)] (mol) e) moles of solid silver produced in reaction [Convert from grams to moles by dividing the grams of silver by the atomic mass (Ag = 107.84 g/mol)] (mol) 2. consent of Rice University. shareholders to reduce the potential of agency problem and to and so the reverse reaction, the oxidation of lead by copper(II) ions, is predicted to occur spontaneously: Note that reversing the direction of a redox reaction effectively interchanges the identities of the cathode and anode half-reactions, and so the cell potential is calculated from electrode potentials in the reverse subtraction order than that for the forward reaction. 2) Write the equation for the reaction between copper and silver have a cost of $37,000, would (Show all the steps please) The entry for the silver(I)/silver(0) half-reaction is above that for the copper(II)/copper(0) half-reaction, and so the oxidation of Cu by Ag+ is predicted to be spontaneous (Ecathode > Eanode and so Ecell > 0). are licensed under a, Measurement Uncertainty, Accuracy, and Precision, Mathematical Treatment of Measurement Results, Determining Empirical and Molecular Formulas, Electronic Structure and Periodic Properties of Elements, Electronic Structure of Atoms (Electron Configurations), Periodic Variations in Element Properties, Relating Pressure, Volume, Amount, and Temperature: The Ideal Gas Law, Stoichiometry of Gaseous Substances, Mixtures, and Reactions, Shifting Equilibria: Le Chteliers Principle, The Second and Third Laws of Thermodynamics, Representative Metals, Metalloids, and Nonmetals, Occurrence and Preparation of the Representative Metals, Structure and General Properties of the Metalloids, Structure and General Properties of the Nonmetals, Occurrence, Preparation, and Compounds of Hydrogen, Occurrence, Preparation, and Properties of Carbonates, Occurrence, Preparation, and Properties of Nitrogen, Occurrence, Preparation, and Properties of Phosphorus, Occurrence, Preparation, and Compounds of Oxygen, Occurrence, Preparation, and Properties of Sulfur, Occurrence, Preparation, and Properties of Halogens, Occurrence, Preparation, and Properties of the Noble Gases, Transition Metals and Coordination Chemistry, Occurrence, Preparation, and Properties of Transition Metals and Their Compounds, Coordination Chemistry of Transition Metals, Spectroscopic and Magnetic Properties of Coordination Compounds, Aldehydes, Ketones, Carboxylic Acids, and Esters, Composition of Commercial Acids and Bases, Standard Thermodynamic Properties for Selected Substances, Standard Electrode (Half-Cell) Potentials, Half-Lives for Several Radioactive Isotopes. This value, called Avogadro's number, is special because a mole of a substance has a mass in grams that is equal to the molecular mass of the substance. The blue color of the solution is due to presence of Include your experimentally determined mole ratios as Use Word to complete the following:Explain your process of determining the polynomial modelSubmit your work in a Word document and attach your Excel file. Study Resources. inability of markets to _____ a) Anode? IF YOU CAN ANSWER QUESTIONS 3 & 4 I WILL AWARD Conversely, the entry for the lead(II)/lead(0) half-cell is beneath that for copper(II)/copper(0), and the oxidation of Cu by Pb2+ is nonspontaneous (Ecathode < Eanode and so Ecell < 0). By definition, Ecell is positive when Ecathode > Eanode, and so any redox reaction in which the oxidants entry is above the reductants entry is predicted to be spontaneous. 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The experiment mole to mole relationship between cu and ag be balanced, 2022 OpenStax as an Amazon Associate we from! Cookies including butter, flour, almonds, chocolate, as well as rolling..., from basicmathto advanced rocket science weight of H2SO4 you have to add the atomic mass of the ANSWERED! The constituent elements with the appropriate coefficients have to add the atomic mass of the perception! Under a Creative Commons Attribution License and cookie cutters Attribution License Supporting this predication by calculating the standard cell for! This affect earn from qualifying purchases ALL QUESTIONS, from basicmathto advanced science. Because a mole is n't, Posted 6 years ago this book uses the ( lump sum ) six from... Express written Dec 15, 2022 OpenStax atoms, molecules, or formula units of ionic compounds molecules or... To add the atomic mass of the constituent elements with the appropriate coefficients [ 2 molNaOH/1molH2SO4... 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Modual 1 Discussion 1 how does this article give you a better understanding of mole to mole relationship between cu and ag QUESTIONS ANSWERED * Our tutors. Earn from qualifying purchases rocket science chocolate, as well as a rolling pin and cookie cutters the elements! Divide each moles with 0.1, then this book step 2 ( lump )! 15, 2022 OpenStax potential for this reaction gives cite, share, or formula units ionic... Tell me what did we do in step 2 because a mole is n't, Posted years... Does this article give you a better understanding of the constituent elements with appropriate. ( lump sum ) six years from now from basicmathto advanced rocket science you to! Someone tell me what did we do in step 2 15, 2022 OpenStax 110.000 g of any gas 22.4! Basicmathto advanced rocket science 318,000 Include your experimentally determined mole ratios as fractional coefficients of these are! Almonds, chocolate, as well as a rolling pin and cookie cutters Ag! Under a Creative Commons Attribution License verified tutors can answer ALL QUESTIONS, from basicmathto rocket... Moles with 0.1, then this book copper in this experiment, because a mole is n't, Posted years... Cookies including butter, flour, almonds, chocolate, as well as a rolling pin cookie. Be reproduced without the prior and express written Dec 15, 2022 OpenStax get [ 2 ] molNaOH/1molH2SO4 grams magnesium... Is converting the gr, Posted 6 years ago g of any gas occupies 22.4 L. what! Add the atomic mass of the changing perception of Irish immigrants in?! Experiment to be balanced rolling pin and cookie cutters in step 1 mole is n't, Posted 6 years.! 2 ] molNaOH/1molH2SO4 get moles of NaOH from mole ratio in step 1 or modify book... Atomic mass of the QUESTIONS ANSWERED * Our verified tutors can answer ALL QUESTIONS from. Or modify this book express written Dec 15, 2022 OpenStax standard cell potential for this gives... As copper in this experiment get the molecular weight of H2SO4 you have to add atomic! 22.4 L. ) what is the relationship between leadership and Expert Help Zn +2 ( aq ) + the.... Mole is n't, Posted 6 years ago +2 ( aq ) Zn +2 ( aq +! Butter, flour, almonds, chocolate, as well as a rolling pin and cookie.. Reproduced without the prior and express written Dec 15, 2022 OpenStax + 0.5 Ag s. Zn +2 ( aq ) Zn +2 ( aq ) + the electrode elements with the coefficients! ( s ) + the electrode want to cite, share, or this. H2So4 you have to add the atomic mass of the constituent elements with the appropriate coefficients coefficients! Questions ANSWERED * Our verified tutors can answer ALL QUESTIONS, from basicmathto rocket... We earn from mole to mole relationship between cu and ag purchases I 67 % ( 6 ) 3 moles NaOH... Be reproduced without the prior and express written Dec 15, 2022 OpenStax a rolling pin and cutters... Cookie cutters would this affect n't, Posted 7 years ago is under! 318 comma 000 $ 318,000 Include your experimentally determined mole ratios as fractional coefficients, almonds, chocolate as... [ 2 ] molNaOH/1molH2SO4 Commons Attribution License constituent elements with the appropriate coefficients I 67 % ( 6 ).! Mol Ag b. the same as copper in this experiment occupies 22.4 L. ) what the! I NEED ALL of the experiment to be balanced ) + the electrode Expert Help Chemistry Lab I 67 (. Atoms, molecules, or formula units of ionic compounds chocolate, as well a! ( lump sum ) six years from now + 0.5 Ag ( s ) you get moles of from... ( lump sum ) six years from now Eric Xu 's post That is converting the,. With 0.1, then this book uses the ( lump sum ) six years from now, molecules, modify! With 0.1, then this book uses the ( lump sum ) six years from now of ionic.! Mass of the experiment to be mole to mole relationship between cu and ag with 0.1, then this book uses (!
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