Gaseous chlorine (Cl2) disproportionates in water under basic conditions forming hypochlorous acid and hydrochloric acid. i)...
Gaseous chlorine (Cl2) disproportionates in water under basic conditions forming hypochlorous acid and hydrochloric acid. i) Clearly identify the chemical species that are oxidized and reduced. Justify your statements. ii) Write the oxidation and reduction half-reactions. iii) Write the balanced chemical reaction equation. iv) If the gaseous chlorine initially contained in a 1.5 L cylinder at 25°C and 1 atm is bubbled into water, how many moles of hypochlorous acid and hydrochloric acid will (theoretically) form? Assume that the reaction goes to completion. Justify your answer by showing workings and calculations.
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Gaseous chlorine (Cl2) disproportionates in water under basic
conditions forming hypochlorous acid and hydrochloric acid. i)...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the f...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the following: a) Cl b) C c) CIO d) MgCl e) ClO ) KCIO g) HCI h) NaCIO 2. Write a balanced, chemical equation for the reaction that occurs between aluminum and hydrochloric acid. Write the total and net ionic equation. b) Using the net ionic equation, determine the oxidation number on each reactant and product. Write them underneath the formulas. Determine who is oxidized/reduced. c)...
3. (4 pts) Under slightly basic conditions, the manganate ion (MnO2) will disproportionate. In the box below, write...
3. (4 pts) Under slightly basic conditions, the manganate ion (MnO2) will disproportionate. In the box below, write a balanced net ionic equation to illustrate this process 4. (4 pts) In the box below, write a balanced net ionic equation to illustrate the reaction when hydrochloric acid is added to a bleach solution to produce chlorine. Copy this equation into your lab notebook, as you will need it for your report. 5. (4 pts) Metabisulfite (S0, dissolves in water to...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV)...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO,(s) —MnCl(aq) + 2 H2O(l) + Cl2(g) A sample of 42.1 g Mno, is added to a solution containing 42.1 g HCI. What is the limiting reactant? MnO2 OHCI What is the theoretical yield of CI,? theoretical yield: CI, If the yield of the reaction is 77.5%, what is the actual yield of chlorine? actual yield: g CI Dimethyl oxalate,...
Hi, can anyone please help me with this? i have no clue how to define if...
Hi,
can anyone please help me with this? i have no clue how to define
if a reaction is Oxidation reduction or not. Thanks a lot
OXIDATION-REDUCTION Introduction Chemists refer to reactions which involve a transfer of electrons from one reactant to another as oxidation reduction reactions of just "redox" reactions. Oxidation is defined as a loss of electron and reduction as a gain of electron by a substance during a chemical reaction. The loss of electrons by one substance...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize t...
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize the acetic ac neutralized with 0.5 M NaOH. id? (3 pts) (b) What is the concentration of the acetic acid solution? (7 pts) nial Reading 15m Burette Final Reading 32 ml NeDH (aq Known Concentraton )+20mt_灬| 1 of Total volume of 2 on vnegar ies 5 drops acetic acid 25ml c) An acid solution is titrated to the end point by a...
1) What chemical is the titrant in this experiment? What chemical is the analyte in this experiment? Experi...
1) What chemical is the titrant in this experiment? What
chemical is the analyte in this
experiment?
Experiment #8: Measuring the Vitamin C Content of Emergen-C™ Objectives: • Students will learn how to use a burette. • Students will learn how to use the iodine starch indicator system to monitor oxidation/reduction reactions. Students will learn how to conduct a titration to determine the amount of analyte in an unknown solution. • Students will learn about ascorbic acid's role as a...
just making sure did I do right in number 10. and im confused at number 11...
just making sure did I do right in number 10. and im confused at
number 11 and 12 13. becausse we didnt learn in class. please help.
thanks for your patient
PROCEDURE 1. This experiment is to be conducted individually. on the side shelf: small squares of copper, NaOH, HSO in the hood: conc. HNOs, conc. HC 2. The following items will be found 4 Use your brush and some soap solution to wash your casserole dish as well as...
i uploaded everything that was given. Where would I find the experiemental values? Complete the calcula...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the following: a) Cl b) C c) CIO d) MgCl e) ClO ) KCIO g) HCI h) NaCIO 2. Write a balanced, chemical equation for the reaction that occurs between aluminum and hydrochloric acid. Write the total and net ionic equation. b) Using the net ionic equation, determine the oxidation number on each reactant and product. Write them underneath the formulas. Determine who is oxidized/reduced. c)...
3. (4 pts) Under slightly basic conditions, the manganate ion (MnO2) will disproportionate. In the box below, write a balanced net ionic equation to illustrate this process 4. (4 pts) In the box below, write a balanced net ionic equation to illustrate the reaction when hydrochloric acid is added to a bleach solution to produce chlorine. Copy this equation into your lab notebook, as you will need it for your report. 5. (4 pts) Metabisulfite (S0, dissolves in water to...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO,(s) —MnCl(aq) + 2 H2O(l) + Cl2(g) A sample of 42.1 g Mno, is added to a solution containing 42.1 g HCI. What is the limiting reactant? MnO2 OHCI What is the theoretical yield of CI,? theoretical yield: CI, If the yield of the reaction is 77.5%, what is the actual yield of chlorine? actual yield: g CI Dimethyl oxalate,...
Hi,
can anyone please help me with this? i have no clue how to define
if a reaction is Oxidation reduction or not. Thanks a lot
OXIDATION-REDUCTION Introduction Chemists refer to reactions which involve a transfer of electrons from one reactant to another as oxidation reduction reactions of just "redox" reactions. Oxidation is defined as a loss of electron and reduction as a gain of electron by a substance during a chemical reaction. The loss of electrons by one substance...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
In the titration below acetic acid (CH CooH)i (a) What is the volume of NaOH used to neutralize the acetic ac neutralized with 0.5 M NaOH. id? (3 pts) (b) What is the concentration of the acetic acid solution? (7 pts) nial Reading 15m Burette Final Reading 32 ml NeDH (aq Known Concentraton )+20mt_灬| 1 of Total volume of 2 on vnegar ies 5 drops acetic acid 25ml c) An acid solution is titrated to the end point by a...
1) What chemical is the titrant in this experiment? What
chemical is the analyte in this
experiment?
Experiment #8: Measuring the Vitamin C Content of Emergen-C™ Objectives: • Students will learn how to use a burette. • Students will learn how to use the iodine starch indicator system to monitor oxidation/reduction reactions. Students will learn how to conduct a titration to determine the amount of analyte in an unknown solution. • Students will learn about ascorbic acid's role as a...
just making sure did I do right in number 10. and im confused at
number 11 and 12 13. becausse we didnt learn in class. please help.
thanks for your patient
PROCEDURE 1. This experiment is to be conducted individually. on the side shelf: small squares of copper, NaOH, HSO in the hood: conc. HNOs, conc. HC 2. The following items will be found 4 Use your brush and some soap solution to wash your casserole dish as well as...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
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