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1. If copper completely dissolves in 15.9 M...
please answer questions 2, 4a, and 4b!! 2 Determine the oxidation numbers designated by letters for...
please answer questions 2, 4a, and 4b!!
2 Determine the oxidation numbers designated by letters for the following redox reaction and write them in the blank beside the corresponding letter Cu + 2HNO" Cu(NO3)2 + Hem AE B C D E 3. a. The copper reactions lab was to illustrate the thermodynamic law of reactions _in chemical b. In the copper lab - what was the mathematical formula that you used to attempt to prove that matter remains constant, despite...
1. Balance the three copper reactions: + H20 (1) Cu(NO3)2 (aq) + NO2(g) i) Cu (s)...
1. Balance the three copper reactions: + H20 (1) Cu(NO3)2 (aq) + NO2(g) i) Cu (s) + HNO3 (aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) + NaNO3(aq) (aq) - iii) Cu(OH)2 (S) Cuo(s) + H2O (1) 2. In reaction (i), suppose you add 4.0 mL of 6 M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
REACTION OF COPPER AND ITS COMPOUNDS PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before...
REACTION OF COPPER AND ITS COMPOUNDS PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several ideas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be allowed to begin the experiment. 1. Balance the three copper reactions: Cu(NO3)2 (aq) + NO2(g) + H2O (1) i) Cu (s) + HNO3(aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) +...
1. Balance the three copper reactions: +H20 (1) +NO2 (g) Cu(NO3)2 (aq) i) Cu (s) HNO3...
1. Balance the three copper reactions: +H20 (1) +NO2 (g) Cu(NO3)2 (aq) i) Cu (s) HNO3 (aq) NANO3 (aq) NaOH (aq) Cu(OH)2 (s) + ii) Cu(NOs)2 (aq) + H2O (1I) CuO (s) iii) Cu(OH)2 (s) 2. In reaction (i), suppose you add 4.0 mL of 6M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous Copper (11) nitrate,...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous Copper (11) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H20 (1) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate,...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O (l) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate,...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O (l) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
volve separation and purification of th Fom unwanted side products. Common methods of separation an edimentation,...
volve separation and purification of th Fom unwanted side products. Common methods of separation an edimentation, decantation, extraction, and sublimation. This esigned to be a quantitative evaluation of laboratory skills in carr hese operations. The reactions used in this lab are as follows. B ab, write these chemical equations in your lab notebook. Com alance the unfinished equations. exp A. Cu(s)+4HNO3(aq) B. Cu(NO3)2(aqg) + NaOH(aq) C. Cu(OH)2(s) D. CuO(s)+H2 SO4 (aq) CuSO4(aq) E. CuSO4(aq) + Zn(s) + ? Cu(NO3)2(aq) +...
Data Table 1: Physical Properties of Copper and Copper Compounds State Species (s. aq) Color Name...
Data Table 1: Physical Properties of Copper and Copper Compounds State Species (s. aq) Color Name noun Copper Curou Copper, Cu (a penny) Copper, Cu (recovered, wet) Copper, Cu (recovered, dry) Cu(NO3)2 Cu(OH)2 Cuo Cuso Table 2: Mass of Copper Before and After Performing the Copper Cycle Mass of the penny before any reaction 2.u Mass of the penny after reacting with concentrated HNO (aq) 1.86 Mass of copper used (i.e., difference between the two previous masses) 0.54 Mass of...
Reactions and Neutralization in the Copper Cycle A Cycle of Chemical Reactions of Copper PRE-LABORATORY ASSIGNMENT...
Reactions and Neutralization in the Copper Cycle
A Cycle of Chemical Reactions of Copper PRE-LABORATORY ASSIGNMENT Finish the pre-laboratory assignments before the laboratory experiment. Read the manual of this experiment and complete the following questions. 1. a. Identify oxidation-reduction reactions in the copper cycle experiment. For each oxidation-reduction reaction, write half reactions to show what is oxidized and what is reduced. Identify acid-base reactions and precipitation reactions in the copper cycle experi- ment. Write equations for the corresponding reactions. b....
please answer questions 2, 4a, and 4b!!
2 Determine the oxidation numbers designated by letters for the following redox reaction and write them in the blank beside the corresponding letter Cu + 2HNO" Cu(NO3)2 + Hem AE B C D E 3. a. The copper reactions lab was to illustrate the thermodynamic law of reactions _in chemical b. In the copper lab - what was the mathematical formula that you used to attempt to prove that matter remains constant, despite...
1. Balance the three copper reactions: + H20 (1) Cu(NO3)2 (aq) + NO2(g) i) Cu (s) + HNO3 (aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) + NaNO3(aq) (aq) - iii) Cu(OH)2 (S) Cuo(s) + H2O (1) 2. In reaction (i), suppose you add 4.0 mL of 6 M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
REACTION OF COPPER AND ITS COMPOUNDS PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several ideas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be allowed to begin the experiment. 1. Balance the three copper reactions: Cu(NO3)2 (aq) + NO2(g) + H2O (1) i) Cu (s) + HNO3(aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) +...
1. Balance the three copper reactions: +H20 (1) +NO2 (g) Cu(NO3)2 (aq) i) Cu (s) HNO3 (aq) NANO3 (aq) NaOH (aq) Cu(OH)2 (s) + ii) Cu(NOs)2 (aq) + H2O (1I) CuO (s) iii) Cu(OH)2 (s) 2. In reaction (i), suppose you add 4.0 mL of 6M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous Copper (11) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H20 (1) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
volve separation and purification of th Fom unwanted side products. Common methods of separation an edimentation, decantation, extraction, and sublimation. This esigned to be a quantitative evaluation of laboratory skills in carr hese operations. The reactions used in this lab are as follows. B ab, write these chemical equations in your lab notebook. Com alance the unfinished equations. exp A. Cu(s)+4HNO3(aq) B. Cu(NO3)2(aqg) + NaOH(aq) C. Cu(OH)2(s) D. CuO(s)+H2 SO4 (aq) CuSO4(aq) E. CuSO4(aq) + Zn(s) + ? Cu(NO3)2(aq) +...
Data Table 1: Physical Properties of Copper and Copper Compounds State Species (s. aq) Color Name noun Copper Curou Copper, Cu (a penny) Copper, Cu (recovered, wet) Copper, Cu (recovered, dry) Cu(NO3)2 Cu(OH)2 Cuo Cuso Table 2: Mass of Copper Before and After Performing the Copper Cycle Mass of the penny before any reaction 2.u Mass of the penny after reacting with concentrated HNO (aq) 1.86 Mass of copper used (i.e., difference between the two previous masses) 0.54 Mass of...
Reactions and Neutralization in the Copper Cycle
A Cycle of Chemical Reactions of Copper PRE-LABORATORY ASSIGNMENT Finish the pre-laboratory assignments before the laboratory experiment. Read the manual of this experiment and complete the following questions. 1. a. Identify oxidation-reduction reactions in the copper cycle experiment. For each oxidation-reduction reaction, write half reactions to show what is oxidized and what is reduced. Identify acid-base reactions and precipitation reactions in the copper cycle experi- ment. Write equations for the corresponding reactions. b....
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