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(1) A A description of the structure of the carbonate and hydrogen carbonate ions. (ii) A...
Classroom Activity 2: The Carbonate System When a carbonate salt, such as sodium carbonate, is placed...
Classroom Activity 2: The Carbonate System When a carbonate salt, such as sodium carbonate, is placed into an acidic solution, carbonic acid (H.CO. weak acid, is formed. 1. Write the chemical formula for the carbonate ion. 2. Draw the Lewis structure for the carbonate ion. 3. How many hydrogen ions can react with the carbonate ion? 4. The chemical formula for carbonic acid is H.CO, How many K values does this acid have? 5. Starting from carbonic acid, write the...
Calculate and show how you calculated Keq for a, b, and c For each of the...
Calculate and show how you calculated Keq for a, b, and c For each of the following solutions: (i) Enumerate all the possible Brønsted acids and Brønsted bases initially present; (ii) Determine which is the strongest acid and the strongest base; (iii) Write a balanced chemical equation for the reaction between the strongest acid and the strongest base; and (iv) Calculate Keq for this reaction. Use the data provided in the Ka or Kb tables in your textbook as needed....
1. Write a balanced chemical equation for the oxidation of zinc metal (Zn) by copper(II) ions...
1. Write a balanced chemical equation for the oxidation of zinc metal (Zn) by copper(II) ions (Cu?") in a copper sulfate solution. Note that copper(II) sulfate completely dissociates in aqueous solution and forms Cu2+ (aq) and SO,- (aq) in water. Zinc metal is a solid and should be represented as Zn (3) Write a chemical equation for the decomposition of limestone (CaCO,) by heating to high temperature to drive off carbon dioxide. The other product of this decomposition reaction is...
In experiment 1 you prepared a solution of sodium carbonate. This means you dissolved solid Na2CO3...
In experiment 1 you prepared a solution of sodium carbonate. This means you dissolved solid Na2CO3 in water. Since this ionic compound dissolved in water, you now have only its ions swimming around in the solution. What are the aqueous ions in your solution of sodium carbonate? TTT Arial # 3 (12 # TEE Path: p Words:04 QUESTION 2 In experiment 2, you used a solution of HCI. HCl is a strong acid, which means it is 100% ionized in...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
sultant ions present in aqueous olved in pH 8 water and (b) 5. Using a Lewis...
sultant ions present in aqueous olved in pH 8 water and (b) 5. Using a Lewis structure to guide you, draw the resultant ione solution when (a) trichloroacetic acid (pka - 1) is dissolved in pH pyridine (pKo - 9) is dissolved in pH 3 water. CIXOH CICI Trichloroacetic acid Pyridine 6. Draw the Lewis structure of the carbonate dianion (CO32-). Based on your structure, suggest an explanation for the observed difference in basicity between carbonate and hydroxide (OH).
7) According to your lab procedure, identify the chemicals necessary to produce NHs (g). Write a...
7) According to your lab procedure, identify the chemicals necessary to produce NHs (g). Write a net ionic equation for the generation of NH, (g) 8 Copper (II) sulfate dissolved in water to form a blue solution. What species are present in solution and what is actually swimming around in solution? Write the formula. 9) Sodium carbonate dissolved in water to form a clear solution. What species are present in solution and what is actually swimming around in solution? Write...
Is sodium chloride (NaCl) dissolving in water an example of a chemical reaction? 1. Yes II....
Is sodium chloride (NaCl) dissolving in water an example of a chemical reaction? 1. Yes II. No because III. ion-ion interactions are overcome. IV. the resulting solution conducts electricity. V. valence electrons are not rearranged. VI. new chemical species are not produced. OI and III Oil and V OI and IV Oll and VI O I, III, and IV
2. Write the chemical formulas for the following: b. aluminum a. copper c. hydrochloric acid e....
2. Write the chemical formulas for the following: b. aluminum a. copper c. hydrochloric acid e. copper(II) chloride g. sodium hydroxide i. hydrogen k. carbon dioxide m. calcium carbonate o. aluminum chloride q. calcium chloride d. magnesium sulfate – f. sodium bicarbonate h. methane j. sodium chloride 1. oxygen n. magnesium hydroxide p. sodium carbonate — r. water t. carbon monoxide S. sodium v. iron u. sulfur w.iron (II) sulfide y. sulfuric acid x. magnesium chloride z. sodium sulfate 3....
1. When iron(II) ammonium sulfate is dissolved in water, it dissociates into its component ions. ()...
1. When iron(II) ammonium sulfate is dissolved in water, it dissociates into its component ions. () → () + ( ) + ( ) 2. When oxalic acid is added, the iron (II) ions precipitate as iron(II) oxalate dihydrate. Fe2+ (aq) + (aq) + __H20 (1) ► ( ) + _ H(aq) 3. Next, potassium oxalate is added to the washed precipitate. Potassium oxalate dissociates into its ions in solution. At high oxalate concentrations, iron (II) oxalate combines with another...
Classroom Activity 2: The Carbonate System When a carbonate salt, such as sodium carbonate, is placed into an acidic solution, carbonic acid (H.CO. weak acid, is formed. 1. Write the chemical formula for the carbonate ion. 2. Draw the Lewis structure for the carbonate ion. 3. How many hydrogen ions can react with the carbonate ion? 4. The chemical formula for carbonic acid is H.CO, How many K values does this acid have? 5. Starting from carbonic acid, write the...
1. Write a balanced chemical equation for the oxidation of zinc metal (Zn) by copper(II) ions (Cu?") in a copper sulfate solution. Note that copper(II) sulfate completely dissociates in aqueous solution and forms Cu2+ (aq) and SO,- (aq) in water. Zinc metal is a solid and should be represented as Zn (3) Write a chemical equation for the decomposition of limestone (CaCO,) by heating to high temperature to drive off carbon dioxide. The other product of this decomposition reaction is...
In experiment 1 you prepared a solution of sodium carbonate. This means you dissolved solid Na2CO3 in water. Since this ionic compound dissolved in water, you now have only its ions swimming around in the solution. What are the aqueous ions in your solution of sodium carbonate? TTT Arial # 3 (12 # TEE Path: p Words:04 QUESTION 2 In experiment 2, you used a solution of HCI. HCl is a strong acid, which means it is 100% ionized in...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
sultant ions present in aqueous olved in pH 8 water and (b) 5. Using a Lewis structure to guide you, draw the resultant ione solution when (a) trichloroacetic acid (pka - 1) is dissolved in pH pyridine (pKo - 9) is dissolved in pH 3 water. CIXOH CICI Trichloroacetic acid Pyridine 6. Draw the Lewis structure of the carbonate dianion (CO32-). Based on your structure, suggest an explanation for the observed difference in basicity between carbonate and hydroxide (OH).
7) According to your lab procedure, identify the chemicals necessary to produce NHs (g). Write a net ionic equation for the generation of NH, (g) 8 Copper (II) sulfate dissolved in water to form a blue solution. What species are present in solution and what is actually swimming around in solution? Write the formula. 9) Sodium carbonate dissolved in water to form a clear solution. What species are present in solution and what is actually swimming around in solution? Write...
Is sodium chloride (NaCl) dissolving in water an example of a chemical reaction? 1. Yes II. No because III. ion-ion interactions are overcome. IV. the resulting solution conducts electricity. V. valence electrons are not rearranged. VI. new chemical species are not produced. OI and III Oil and V OI and IV Oll and VI O I, III, and IV
2. Write the chemical formulas for the following: b. aluminum a. copper c. hydrochloric acid e. copper(II) chloride g. sodium hydroxide i. hydrogen k. carbon dioxide m. calcium carbonate o. aluminum chloride q. calcium chloride d. magnesium sulfate – f. sodium bicarbonate h. methane j. sodium chloride 1. oxygen n. magnesium hydroxide p. sodium carbonate — r. water t. carbon monoxide S. sodium v. iron u. sulfur w.iron (II) sulfide y. sulfuric acid x. magnesium chloride z. sodium sulfate 3....
1. When iron(II) ammonium sulfate is dissolved in water, it dissociates into its component ions. () → () + ( ) + ( ) 2. When oxalic acid is added, the iron (II) ions precipitate as iron(II) oxalate dihydrate. Fe2+ (aq) + (aq) + __H20 (1) ► ( ) + _ H(aq) 3. Next, potassium oxalate is added to the washed precipitate. Potassium oxalate dissociates into its ions in solution. At high oxalate concentrations, iron (II) oxalate combines with another...
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