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Questions and Answers
What is produced when a metal reacts with an acid?
What is produced when a metal reacts with an acid?
What is the chemical formula for sodium zincate?
What is the chemical formula for sodium zincate?
In Activity 2.4, which metal reacts with sodium hydroxide?
In Activity 2.4, which metal reacts with sodium hydroxide?
What gas is formed when sodium hydroxide reacts with zinc?
What gas is formed when sodium hydroxide reacts with zinc?
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What is the chemical formula for sodium carbonate?
What is the chemical formula for sodium carbonate?
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In Activity 2.5, what is added to the test tubes containing sodium carbonate and sodium hydrogencarbonate?
In Activity 2.5, what is added to the test tubes containing sodium carbonate and sodium hydrogencarbonate?
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What is the chemical formula for sodium hydrogencarbonate?
What is the chemical formula for sodium hydrogencarbonate?
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In the experiment with metal carbonates and hydrogencarbonates, the gas produced is passed through which substance?
In the experiment with metal carbonates and hydrogencarbonates, the gas produced is passed through which substance?
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Which gas is produced when metal carbonates react with acids?
Which gas is produced when metal carbonates react with acids?
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What type of reaction is described by: Acid + Metal → Salt + Hydrogen gas
What type of reaction is described by: Acid + Metal → Salt + Hydrogen gas
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What is the general product when a metal reacts with an acid?
What is the general product when a metal reacts with an acid?
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Which of the following is true about the reaction between metals and acids?
Which of the following is true about the reaction between metals and acids?
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What is the role of granulated zinc metal in the reaction with sodium hydroxide?
What is the role of granulated zinc metal in the reaction with sodium hydroxide?
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Which of the following statements is most accurate regarding metal reactions with sodium hydroxide?
Which of the following statements is most accurate regarding metal reactions with sodium hydroxide?
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In Activity 2.5, what is the purpose of passing the gas produced through lime water?
In Activity 2.5, what is the purpose of passing the gas produced through lime water?
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What is observed when carbon dioxide gas is passed through lime water (calcium hydroxide solution)?
What is observed when carbon dioxide gas is passed through lime water (calcium hydroxide solution)?
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If you react $Na_2CO_3$ and $NaHCO_3$ separately with dilute $HCl$, what gas is produced in both cases?
If you react $Na_2CO_3$ and $NaHCO_3$ separately with dilute $HCl$, what gas is produced in both cases?
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What type of chemical reaction takes place when metal carbonates or hydrogencarbonates react with acids?
What type of chemical reaction takes place when metal carbonates or hydrogencarbonates react with acids?
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What is the purpose of using dilute $HCl$ (hydrochloric acid) in Activity 2.5?
What is the purpose of using dilute $HCl$ (hydrochloric acid) in Activity 2.5?
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Which of the following is the most likely observation when dilute hydrochloric acid ($HCl$) is added to sodium hydrogencarbonate ($NaHCO_3$)?
Which of the following is the most likely observation when dilute hydrochloric acid ($HCl$) is added to sodium hydrogencarbonate ($NaHCO_3$)?
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Which statement accurately describes how metals interact with acids, based on the general reaction?
Which statement accurately describes how metals interact with acids, based on the general reaction?
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Why are some metals unable to react with sodium hydroxide to produce hydrogen gas?
Why are some metals unable to react with sodium hydroxide to produce hydrogen gas?
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Which option accurately describes the role of sodium hydroxide in the reaction with zinc?
Which option accurately describes the role of sodium hydroxide in the reaction with zinc?
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What is the significance of passing the gas produced from the reaction of metal carbonates and hydrogencarbonates through lime water?
What is the significance of passing the gas produced from the reaction of metal carbonates and hydrogencarbonates through lime water?
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In the reaction between metal carbonates and hydrochloric acid, what determines the rate of gas production?
In the reaction between metal carbonates and hydrochloric acid, what determines the rate of gas production?
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Why do metal hydrogencarbonates typically react more vigorously with acids compared to metal carbonates?
Why do metal hydrogencarbonates typically react more vigorously with acids compared to metal carbonates?
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Considering the reaction of zinc with sodium hydroxide, how would increasing the concentration of sodium hydroxide affect the reaction rate, assuming excess zinc is present?
Considering the reaction of zinc with sodium hydroxide, how would increasing the concentration of sodium hydroxide affect the reaction rate, assuming excess zinc is present?
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If a student mistakenly uses concentrated hydrochloric acid instead of dilute hydrochloric acid in Activity 2.5, what is the most likely outcome?
If a student mistakenly uses concentrated hydrochloric acid instead of dilute hydrochloric acid in Activity 2.5, what is the most likely outcome?
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A student performs Activity 2.5 but observes no change in the lime water. Which of the following is the most probable cause?
A student performs Activity 2.5 but observes no change in the lime water. Which of the following is the most probable cause?
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How does the presence of impurities in a metal carbonate sample affect its reaction with hydrochloric acid?
How does the presence of impurities in a metal carbonate sample affect its reaction with hydrochloric acid?
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Consider a scenario where a novel metal, tentatively named 'Element X', is reacted with an exotic acid, 'Acid Y', resulting in the evolution of a gas and the formation of a complex salt. Spectroscopic analysis of the gas reveals it to be diatomic but with an unexpectedly high isotopic mass. Which factor would MOST influence the rate of this reaction?
Consider a scenario where a novel metal, tentatively named 'Element X', is reacted with an exotic acid, 'Acid Y', resulting in the evolution of a gas and the formation of a complex salt. Spectroscopic analysis of the gas reveals it to be diatomic but with an unexpectedly high isotopic mass. Which factor would MOST influence the rate of this reaction?
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A researcher investigates the reaction between a newly synthesized metal alloy (comprising 70% Zinc, 20% Aluminum, and 10% exotic metal 'Q') and sodium hydroxide solution. Upon reaction, a gas is evolved, and a complex anionic species is formed in the solution. Given that Aluminum also reacts with $NaOH$, albeit at a different rate, what experimental technique would BEST elucidate the individual contributions of Zinc and Aluminum to the overall reaction kinetics and product distribution?
A researcher investigates the reaction between a newly synthesized metal alloy (comprising 70% Zinc, 20% Aluminum, and 10% exotic metal 'Q') and sodium hydroxide solution. Upon reaction, a gas is evolved, and a complex anionic species is formed in the solution. Given that Aluminum also reacts with $NaOH$, albeit at a different rate, what experimental technique would BEST elucidate the individual contributions of Zinc and Aluminum to the overall reaction kinetics and product distribution?
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In a highly controlled microfluidic experiment, sodium carbonate ($Na_2CO_3$) and sodium bicarbonate ($NaHCO_3$) solutions are reacted with hydrochloric acid ($HCl$) at varying flow rates and concentrations within separate channels. Downstream of the reaction zones, the evolved $CO_2$ gas is passed through a nanofluidic chamber containing a pH-sensitive fluorescent dye. Which parameter would provide the MOST sensitive and accurate measure to differentiate the subtle kinetic differences between the reactions of $Na_2CO_3$ and $NaHCO_3$ with $HCl$?
In a highly controlled microfluidic experiment, sodium carbonate ($Na_2CO_3$) and sodium bicarbonate ($NaHCO_3$) solutions are reacted with hydrochloric acid ($HCl$) at varying flow rates and concentrations within separate channels. Downstream of the reaction zones, the evolved $CO_2$ gas is passed through a nanofluidic chamber containing a pH-sensitive fluorescent dye. Which parameter would provide the MOST sensitive and accurate measure to differentiate the subtle kinetic differences between the reactions of $Na_2CO_3$ and $NaHCO_3$ with $HCl$?
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Consider a scenario where a sample of calcium hydroxide solution [lime water, $Ca(OH)_2$] is contaminated with a trace amount of strontium hydroxide [$Sr(OH)_2$]. This contaminated lime water is used to test for the presence of carbon dioxide gas evolved from the reaction of a metal carbonate with an acid. What analytical challenge is MOST likely to arise and why?
Consider a scenario where a sample of calcium hydroxide solution [lime water, $Ca(OH)_2$] is contaminated with a trace amount of strontium hydroxide [$Sr(OH)_2$]. This contaminated lime water is used to test for the presence of carbon dioxide gas evolved from the reaction of a metal carbonate with an acid. What analytical challenge is MOST likely to arise and why?
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A novel experimental setup involves reacting a metal carbonate ($MCO_3$) with a Brønsted acidic ionic liquid instead of a traditional aqueous acid. The evolved $CO_2$ gas is then passed through a microreactor containing a metal-organic framework ($MOF$) functionalized with amine groups. What is the MOST probable outcome of using this setup, considering the unique properties of ionic liquids and MOFs?
A novel experimental setup involves reacting a metal carbonate ($MCO_3$) with a Brønsted acidic ionic liquid instead of a traditional aqueous acid. The evolved $CO_2$ gas is then passed through a microreactor containing a metal-organic framework ($MOF$) functionalized with amine groups. What is the MOST probable outcome of using this setup, considering the unique properties of ionic liquids and MOFs?
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Considering the reaction between granulated zinc and sodium hydroxide, imagine the reaction is conducted in a non-aqueous, aprotic solvent with a crown ether complexing the sodium cation. How would this modification MOST likely affect the reaction pathway and kinetics?
Considering the reaction between granulated zinc and sodium hydroxide, imagine the reaction is conducted in a non-aqueous, aprotic solvent with a crown ether complexing the sodium cation. How would this modification MOST likely affect the reaction pathway and kinetics?
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A researcher attempts to perform Activity 2.5 using a novel metal sesquicarbonate ($M_2(CO_3)_3$) instead of sodium carbonate or bicarbonate and reacts this with deuterated hydrochloric acid ($DCl$). The evolved gas is then analyzed using mass spectrometry. Predict the MOST significant isotopic species observed in the mass spectrum and its origin.
A researcher attempts to perform Activity 2.5 using a novel metal sesquicarbonate ($M_2(CO_3)_3$) instead of sodium carbonate or bicarbonate and reacts this with deuterated hydrochloric acid ($DCl$). The evolved gas is then analyzed using mass spectrometry. Predict the MOST significant isotopic species observed in the mass spectrum and its origin.
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Imagine that the carbon dioxide evolved from reacting $Na_2CO_3$ with $HCl$ is bubbled through a solution of strontium hydroxide [$Sr(OH)_2$] instead of calcium hydroxide. Further, this entire process is conducted under a controlled atmosphere with elevated partial pressure of argon. Which outcome would MOST reasonably be hypothesized?
Imagine that the carbon dioxide evolved from reacting $Na_2CO_3$ with $HCl$ is bubbled through a solution of strontium hydroxide [$Sr(OH)_2$] instead of calcium hydroxide. Further, this entire process is conducted under a controlled atmosphere with elevated partial pressure of argon. Which outcome would MOST reasonably be hypothesized?
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A student, attempting to replicate Activity 2.5, mistakenly uses ethanoic acid (acetic acid, $CH_3COOH$) instead of hydrochloric acid ($HCl$). He observes a much slower rate of gas evolution. To enhance the reaction rate without adding a strong acid, which of the following strategies would be MOST effective, assuming all other parameters remain constant?
A student, attempting to replicate Activity 2.5, mistakenly uses ethanoic acid (acetic acid, $CH_3COOH$) instead of hydrochloric acid ($HCl$). He observes a much slower rate of gas evolution. To enhance the reaction rate without adding a strong acid, which of the following strategies would be MOST effective, assuming all other parameters remain constant?
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In a sophisticated experiment, a metal 'M' is reacted with an acid in the presence of a redox-active ligand. The ligand is designed to coordinate with the metal cation formed during the reaction and potentially influence the electron transfer process. How would the presence of such a ligand MOST likely impact the observed reaction mechanism?
In a sophisticated experiment, a metal 'M' is reacted with an acid in the presence of a redox-active ligand. The ligand is designed to coordinate with the metal cation formed during the reaction and potentially influence the electron transfer process. How would the presence of such a ligand MOST likely impact the observed reaction mechanism?
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What is the general equation representing the reaction between an acid and a metal?
What is the general equation representing the reaction between an acid and a metal?
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In the reaction between sodium hydroxide and zinc, what is the chemical formula of the salt formed?
In the reaction between sodium hydroxide and zinc, what is the chemical formula of the salt formed?
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Which of the following is NOT a universal outcome of reactions between metals and acids or bases?
Which of the following is NOT a universal outcome of reactions between metals and acids or bases?
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What is the expected observation when carbon dioxide gas is passed through lime water?
What is the expected observation when carbon dioxide gas is passed through lime water?
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Which of the following statements best describes the reaction between metal carbonates/hydrogencarbonates and acids?
Which of the following statements best describes the reaction between metal carbonates/hydrogencarbonates and acids?
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What is the purpose of using lime water in the experiment with metal carbonates and hydrogencarbonates?
What is the purpose of using lime water in the experiment with metal carbonates and hydrogencarbonates?
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A student observes a vigorous reaction when adding dilute $HCl$ to an unknown substance, producing a colorless, odorless gas. Which of the following substances is MOST likely reacting with the acid?
A student observes a vigorous reaction when adding dilute $HCl$ to an unknown substance, producing a colorless, odorless gas. Which of the following substances is MOST likely reacting with the acid?
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Which of the following modifications to Activity 2.5 would MOST likely result in a decrease in the observed rate of carbon dioxide production?
Which of the following modifications to Activity 2.5 would MOST likely result in a decrease in the observed rate of carbon dioxide production?
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Consider a hypothetical scenario where a novel metal 'X' reacts with hydrochloric acid to produce a salt $XCl_2$ and a gas. The gas, when bubbled through a solution of barium hydroxide ($Ba(OH)_2$), forms a white precipitate that is insoluble in excess barium hydroxide but dissolves upon the addition of dilute hydrochloric acid. What is the MOST likely identity of the gas?
Consider a hypothetical scenario where a novel metal 'X' reacts with hydrochloric acid to produce a salt $XCl_2$ and a gas. The gas, when bubbled through a solution of barium hydroxide ($Ba(OH)_2$), forms a white precipitate that is insoluble in excess barium hydroxide but dissolves upon the addition of dilute hydrochloric acid. What is the MOST likely identity of the gas?
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A research team is investigating the reaction mechanism between a newly discovered metal sesquicarbonate, $M_2(CO_3)_3$, and a weak organic acid (HA) in a non-aqueous solvent. They observe that the reaction proceeds through a multi-step pathway involving the formation of several intermediate species. To elucidate the detailed reaction kinetics and identify these intermediates, which of the following experimental techniques would provide the most comprehensive information?
A research team is investigating the reaction mechanism between a newly discovered metal sesquicarbonate, $M_2(CO_3)_3$, and a weak organic acid (HA) in a non-aqueous solvent. They observe that the reaction proceeds through a multi-step pathway involving the formation of several intermediate species. To elucidate the detailed reaction kinetics and identify these intermediates, which of the following experimental techniques would provide the most comprehensive information?
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Flashcards
Metal Displacement Reaction
Metal Displacement Reaction
A reaction where a metal displaces hydrogen from an acid to form a salt and hydrogen gas.
General Reaction Equation
General Reaction Equation
The general equation for a metal reacting with an acid: Acid + Metal → Salt + Hydrogen gas.
Sodium Zincate
Sodium Zincate
A compound formed when zinc reacts with sodium hydroxide solution.
Hydrogen Gas from Reactions
Hydrogen Gas from Reactions
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Sodium Carbonate Reaction
Sodium Carbonate Reaction
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Sodium Hydrogencarbonate Reaction
Sodium Hydrogencarbonate Reaction
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Lime Water Test
Lime Water Test
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Observing Gas Production
Observing Gas Production
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Acid + Carbonate Reaction
Acid + Carbonate Reaction
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Acid + Metal Carbonate Equation
Acid + Metal Carbonate Equation
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Sodium Zincate Formation
Sodium Zincate Formation
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Hydrogen Production in Reactions
Hydrogen Production in Reactions
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Reaction with Sodium Hydroxide
Reaction with Sodium Hydroxide
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Metal Carbonate Reaction with Acid
Metal Carbonate Reaction with Acid
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Sodium Carbonate in Test Tube A
Sodium Carbonate in Test Tube A
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Sodium Hydrogencarbonate in Test Tube B
Sodium Hydrogencarbonate in Test Tube B
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Observing Gas from Metal Carbonates
Observing Gas from Metal Carbonates
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Lime Water Reaction with CO2
Lime Water Reaction with CO2
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Reaction Conditions for Acids
Reaction Conditions for Acids
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Test for Hydrogen Gas
Test for Hydrogen Gas
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Metal Reaction with Acids
Metal Reaction with Acids
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Granulated Zinc Reaction
Granulated Zinc Reaction
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Sodium Carbonate Reaction Observation
Sodium Carbonate Reaction Observation
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Sodium Hydrogencarbonate Reaction Observation
Sodium Hydrogencarbonate Reaction Observation
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Gas Testing Method
Gas Testing Method
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Reaction Products of Acids with Carbonates
Reaction Products of Acids with Carbonates
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Lime Water Characteristics
Lime Water Characteristics
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Test Tube A Reaction
Test Tube A Reaction
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Test Tube B Reaction
Test Tube B Reaction
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Metal Carbonate vs. Metal Hydrogencarbonate
Metal Carbonate vs. Metal Hydrogencarbonate
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Reaction of Metal with Acid
Reaction of Metal with Acid
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Sodium Hydroxide and Zinc Reaction
Sodium Hydroxide and Zinc Reaction
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Gas in Sodium Hydroxide Reaction
Gas in Sodium Hydroxide Reaction
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Reactions of Metal Carbonates
Reactions of Metal Carbonates
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Dilute HCl with Sodium Carbonate
Dilute HCl with Sodium Carbonate
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Hydrogen from Carbonate Reactions
Hydrogen from Carbonate Reactions
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Lime Water Test for CO2
Lime Water Test for CO2
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Difference between Carbonate and Hydrogencarbonate
Difference between Carbonate and Hydrogencarbonate
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Observations of Gas Production
Observations of Gas Production
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Metal Displacement Summary
Metal Displacement Summary
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Sodium Carbonate Reaction Products
Sodium Carbonate Reaction Products
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Sodium Hydrogencarbonate Reaction Products
Sodium Hydrogencarbonate Reaction Products
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Gas Identification Method
Gas Identification Method
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Zinc and Sodium Hydroxide Reaction
Zinc and Sodium Hydroxide Reaction
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Hydrogen from Metal Reactions
Hydrogen from Metal Reactions
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Acid and Metal Carbonate Reaction
Acid and Metal Carbonate Reaction
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Testing for Hydrogen Gas
Testing for Hydrogen Gas
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Carbon Dioxide Production
Carbon Dioxide Production
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Study Notes
Metal Reactions with Acids
- Metals react with acids to produce a salt and hydrogen gas
- The general equation is: Acid + Metal → Salt + Hydrogen gas
Activity 2.4: Zinc and Sodium Hydroxide
- Place zinc in a test tube
- Add sodium hydroxide solution
- Warm the contents
- Observe the reaction
- Zinc reacts with sodium hydroxide to form sodium zincate and hydrogen gas
- Equation: 2NaOH(aq) + Zn(s) → Na₂ZnO₂(s) + H₂(g) (Sodium zincate)
Metal Carbonates and Acids
- Metal carbonates react with acids to produce a salt, water, and carbon dioxide gas
- General equation (for sodium carbonate): Na₂CO₃(s) + 2HCl(aq) → 2NaCl(aq) + H₂O(l) + CO₂(g)
- General equation (for sodium hydrogencarbonate): NaHCO₃(s) + HCl(aq) → NaCl(aq) + H₂O(l) + CO₂(g)
- Observe the gas produced by passing it through limewater (calcium hydroxide solution)
- The carbon dioxide gas will react with limewater (calcium hydroxide solution) to produce a white precipitate (calcium carbonate)
- Use about 0.5g of sodium carbonate in test tube A and about 0.5g of sodium hydrogencarbonate in test tube B
- Add about 2 mL of dilute HCl to both test tubes
- Pass the gas through limewater
- Observe the result - white precipitate in the lime water from the carbon dioxide
- Use test tubes labeled A and B
- Use two test tubes labeled A and B
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Description
Explore the fascinating world of metal reactions with acids and carbonates. This quiz covers essential reactions including zinc with hydrochloric acid and sodium hydroxide, revealing how gases are produced and observed. Test your understanding of these chemical interactions and their equations.