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1 Reaction C: Copper(II) Hydroxide to Copper(IT) Oxide Observations: The solntich goes from a light blue...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b....
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b. What happens to the precipitate in Part F1 if conc HCl is added? 3. Dissolve the Cu2+ and Bil Sulfides. Add 15 drops of 6 M HNO3 to the precipitate from Part E.2 and carefully heat with a direct flame until the precipitates dissolve. (Caution: make sure the test tube is pointed away from all other students while heating). Cool and centrifuge. Save the...
Balance the equation for the reaction observed: _ Cu(s) + HNO3(aq) → Cu(NO3)2(aq) +_ NO2(g) + H2O(1) 3. Add 40 mL...
Balance the equation for the reaction observed: _ Cu(s) + HNO3(aq) → Cu(NO3)2(aq) +_ NO2(g) + H2O(1) 3. Add 40 mL of 3.0 M NaOH (sodium hydroxide) to the solution in your beaker. Write the balanced equation for the reaction observed: 4. Add 2-3 boiling chips to your beaker and carefully heat the solution, while stirring with a stirring rod, just to the boiling point. (Do NOT boil. Have a low flame and keep the beaker well above the flame.)...
Get a medium test tube and place about 2 ml of copper (II) sulfate solution into...
Get a medium test tube and place about 2 ml of copper (II) sulfate solution into it. Now add a piece of zinc metal and notice what happens over time. Write the balance chemical equation, blanced ionic equation, and balanced net ionic equation, show your steps. Get a medium test tube and place about 2 mL of zinc sulfate solution into it. Now add a piece of copper metal and notice what happens over time. Write the balanced chemical equaqtion,...
I really just need all the equations, please and thank you. MATERIALS: cene nitric acid, HNO,...
I really just need all the equations, please and thank you.
MATERIALS: cene nitric acid, HNO, 3.0M sodium hydroxide, NaOH 6.0 M sulfuric acid, H2SO4 zine metal DI water PROCEDURE: Make sure you record detailed observations after almost every step. You will also need to write the balanced chemical equations for almost every step. Make sure you answer any questions associated with a step 1. Weigh approximately 0.5 g of copper metal and record the weight. Place the copper in...
What is the chemical reaction taking place here? I thought it was Zn(CN)2 but it is...
What is the chemical reaction taking place here? I thought it
was Zn(CN)2 but it is not a denim blue.
The Soluble Hydroxide Group: Analyze the Solution for the Presence of Znº and All 25. To test for All, add 10 drops of 6 M HNO, solution to Test Tube 5. Check the pH of the solution. If it is not acidic, add more 6 M HNO, dropwise until the solution becomes acidic. Add 6 M NH, solution dropwise until...
Prelab Activity: Electrochemical Cells To determine the solubility product of copper(II) carbonate, CuCO3 , a concentration...
Prelab Activity:
Electrochemical Cells
To determine the solubility product of copper(II) carbonate,
CuCO3 , a concentration cell as described on pages 71-72
of the lab handout is constructed. The temperature of the Galvanic
cell is measured to be 22.5°C, and the cell potential 282 mV (0.282
V). Using this data and Equation 8 in the lab manual, calculate the
Ksp for CuCO3 and report your answer with
three significant digits.
For the Galvanic cell you will construct in PART B,...
help!! need tk balance the metals nickel(II), iron(III), manganese(II), and aluminum!! due in 20 minutes 4....
help!! need tk balance the metals nickel(II), iron(III),
manganese(II), and aluminum!! due in 20 minutes
4. Add 12 drops of water and 2 drops of 12 M hydrochloric acid and stir thoroughly for about a minute. Centrifuge and decant the solution immediately. Save the solution for Step 6. 5. Wash the precipitate from Step 4 with water and discard the washing. Add 5 drops of 6 M hydrochloric acid and 1 drop of 6M nitric acid. Heat in a water...
Question: Procedure Separation and Identification of Pb2 (aq), Fe (aq), Al(a), and Cu Note: Tests should...
Question:
Procedure Separation and Identification of Pb2 (aq), Fe (aq), Al(a), and Cu Note: Tests should be performed concurrently on the known and the unknown solutions. Volumes are approximate. All work excepting the centrifugation should be done in the fume hood 1. To about 2. mL of your sample in a test tube, add 5 drops (-0.2 mL) of 6 M HCl(a). Mix well and centrifuge. Decant the clear liquid into a clean test tube and save it for Step...
Chemical Reactions & Equations System 1: Reaction of Sodium Metal with Water Observations: solution start to...
Chemical Reactions & Equations System 1: Reaction of Sodium Metal with Water Observations: solution start to produce vapor and eventually catches fire Reaction Type: Balanced Equation: (Na with H2O) Reaction in words: The hydrogen gas produced in the reaction can ignite in the presence of oxygen gas in the air. If you observed flames above, it was likely due to this reaction Reaction Type: Balanced Equation: (hydrogen gas with oxygen gas): System 2: Combustion Reactions of Methane (CH4) and Cellulose...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b. What happens to the precipitate in Part F1 if conc HCl is added? 3. Dissolve the Cu2+ and Bil Sulfides. Add 15 drops of 6 M HNO3 to the precipitate from Part E.2 and carefully heat with a direct flame until the precipitates dissolve. (Caution: make sure the test tube is pointed away from all other students while heating). Cool and centrifuge. Save the...
Balance the equation for the reaction observed: _ Cu(s) + HNO3(aq) → Cu(NO3)2(aq) +_ NO2(g) + H2O(1) 3. Add 40 mL of 3.0 M NaOH (sodium hydroxide) to the solution in your beaker. Write the balanced equation for the reaction observed: 4. Add 2-3 boiling chips to your beaker and carefully heat the solution, while stirring with a stirring rod, just to the boiling point. (Do NOT boil. Have a low flame and keep the beaker well above the flame.)...
I really just need all the equations, please and thank you.
MATERIALS: cene nitric acid, HNO, 3.0M sodium hydroxide, NaOH 6.0 M sulfuric acid, H2SO4 zine metal DI water PROCEDURE: Make sure you record detailed observations after almost every step. You will also need to write the balanced chemical equations for almost every step. Make sure you answer any questions associated with a step 1. Weigh approximately 0.5 g of copper metal and record the weight. Place the copper in...
What is the chemical reaction taking place here? I thought it
was Zn(CN)2 but it is not a denim blue.
The Soluble Hydroxide Group: Analyze the Solution for the Presence of Znº and All 25. To test for All, add 10 drops of 6 M HNO, solution to Test Tube 5. Check the pH of the solution. If it is not acidic, add more 6 M HNO, dropwise until the solution becomes acidic. Add 6 M NH, solution dropwise until...
Prelab Activity:
Electrochemical Cells
To determine the solubility product of copper(II) carbonate,
CuCO3 , a concentration cell as described on pages 71-72
of the lab handout is constructed. The temperature of the Galvanic
cell is measured to be 22.5°C, and the cell potential 282 mV (0.282
V). Using this data and Equation 8 in the lab manual, calculate the
Ksp for CuCO3 and report your answer with
three significant digits.
For the Galvanic cell you will construct in PART B,...
help!! need tk balance the metals nickel(II), iron(III),
manganese(II), and aluminum!! due in 20 minutes
4. Add 12 drops of water and 2 drops of 12 M hydrochloric acid and stir thoroughly for about a minute. Centrifuge and decant the solution immediately. Save the solution for Step 6. 5. Wash the precipitate from Step 4 with water and discard the washing. Add 5 drops of 6 M hydrochloric acid and 1 drop of 6M nitric acid. Heat in a water...
Question:
Procedure Separation and Identification of Pb2 (aq), Fe (aq), Al(a), and Cu Note: Tests should be performed concurrently on the known and the unknown solutions. Volumes are approximate. All work excepting the centrifugation should be done in the fume hood 1. To about 2. mL of your sample in a test tube, add 5 drops (-0.2 mL) of 6 M HCl(a). Mix well and centrifuge. Decant the clear liquid into a clean test tube and save it for Step...
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