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Jacksonville State University Department of Chemistry and Geosciences 6) Aluminum (Al) is reacted with a solution o...
Practice Predicting Redox Reactions • Write molecular and net ionic equations for each of the following...
Practice Predicting Redox Reactions • Write molecular and net ionic equations for each of the following • Also indicate which substance is oxidized and which reduced in each reaction . Finally, indicate the oxidation states of the elements before and after reaction 1) aluminum metal + aqueous silver nitrate → Hi (5) + AgNO₃ cag Ag (s) + Al(aq) + Nos 2) magnesium metal + hydrobromic acid → 3) lithium metal + oxygen gas → 4) combustion of pentane (CSH12)...
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...
An aqueous solution of sodium sulfate is reacted with an aqueous solution of lead(II) nitrate. a....
An aqueous solution of sodium sulfate is reacted with an aqueous solution of lead(II) nitrate. a. Write out the balanced reaction when sodium sulfate is reacted with lead(II) nitrate. Include ph. b. What is the precipitate in the above reaction? 2. A forensic scientist wishes to identify an unknown salt powder discovered at a crime scene. She has reas to believe the sample is either cesium chloride, lithium acetate or aluminum perchlorate. She chooses to identify it by reacting with...
8 In the thermite reaction: 2 Al(s) + Fe2O3(s) ---> 2 Fe(s) + Al2O3(s) So much...
8 In the thermite reaction: 2 Al(s) + Fe2O3(s) ---> 2 Fe(s) + Al2O3(s) So much heat is generated that the iron initially formed is a molten liquid. Which of the following statements is consistant with the reaction? the reaction is endothermic; aluminum is oxidized and iron is reduced.the reaction is not an oxidation reduction reaction. the reaction is exothermic; aluminum is oxidized and iron is reduced.the reaction is endothermic; aluminum is reduced and iron is oxidized.the reaction is exothermic; aluminum...
Write molecular and net ionic equations for the following reactions. (Include state symbols and balance reactions...
Write molecular and net ionic equations for the following reactions. (Include state symbols and balance reactions if necessary) 1) Copper(II) sulfate and sodium hydroxide solutions are combined: 2) A piece of solid aluminum metal is put into an aqueous solution of lead(II) nitrate: 3) Solutions of hydrobromic acid and potassium carbonate are combined: 4) Aqueous solutions of sodium hydroxide and hydrochloric acid are combined: 5) Aqueous solutions of silver nitrate and nickel(II) chloride are combined:
The Chemistry of Recycling 2. In the second reaction, sulfuric acid is added to form aluminum...
The Chemistry of Recycling 2. In the second reaction, sulfuric acid is added to form aluminum hydroxide, potassium sulfate and water Starting with the balanced chemical equation, write the total lonie jution by separating any sale into the lone components. Note that there are several promienions (not individual elements) in this equation. Finish by identifying the types of actions involved in this step and reporting your observations in this step Falan Chemical Reaction 2 KAROH(aq) + H,90 fy) - 2...
Name Pre Lab Questions Date A. Calculate mass of Cuso, 5H.0 to prepare 25mL of 0.100M solution. (5 points each, 25...
Name Pre Lab Questions Date A. Calculate mass of Cuso, 5H.0 to prepare 25mL of 0.100M solution. (5 points each, 25 points total) 0.1com L 25 ml. 0.100 ML 100 mL B. Calculate the volume of a 0.125M solution of NaOH that is needed to make 50mL of a 0.075M solution. C. Provide the concentration of aluminum ion and the concentration of acetate ion in a 0.33M solution of aluminum acetate. Aluminum ion, M Acetate ion, M D. A SOL...
Calculate the volume in milliliters of a 4.3M silver nitrate solution that contains 100. g of...
Calculate the volume in milliliters of a 4.3M silver nitrate solution that contains 100. g of silver nitrate (AgNO,). Round your answer to 2 significant digits. XI ? Wine goes baill soon after opening because the ethanol (CH.CH,OH) in it reacts with oxygen gas (0) from the air to form water (HO) and acetic acid (CH,COOH), the main ingredient of vinegar. What mass of ethanol is consumed by the reaction of 8.35 g of oxygen gas? Round your answer to...
b. How would you prepare 225.0 mL of 1.33 M HCl from a 6.00 M stock solution? C. When 25.00 mL of 0.695 M HCl reacts...
b. How would you prepare 225.0 mL of 1.33 M HCl from a 6.00 M stock solution? C. When 25.00 mL of 0.695 M HCl reacts with an excess of silver nitrate, will a precipitate form? Write the net ionic equation for this reaction. How many grams of precipitate can be theoretically obtained? d. What volume of 0.2500 M strontium hydroxide is required to completely react with 75.00 mL of 0.07942 M HCI? e. When 37.5 mL of 0.439 M...
Las Positas College, Chemistry 1A Lab Manual Fall 2017 Page 41 PRE-LAB Name (To be completed...
Las Positas College, Chemistry 1A Lab Manual Fall 2017 Page 41 PRE-LAB Name (To be completed before coming to lab) Experiment 5 Identification of Reaction Products 1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.) OH Na...
Practice Predicting Redox Reactions • Write molecular and net ionic equations for each of the following • Also indicate which substance is oxidized and which reduced in each reaction . Finally, indicate the oxidation states of the elements before and after reaction 1) aluminum metal + aqueous silver nitrate → Hi (5) + AgNO₃ cag Ag (s) + Al(aq) + Nos 2) magnesium metal + hydrobromic acid → 3) lithium metal + oxygen gas → 4) combustion of pentane (CSH12)...
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...
An aqueous solution of sodium sulfate is reacted with an aqueous solution of lead(II) nitrate. a. Write out the balanced reaction when sodium sulfate is reacted with lead(II) nitrate. Include ph. b. What is the precipitate in the above reaction? 2. A forensic scientist wishes to identify an unknown salt powder discovered at a crime scene. She has reas to believe the sample is either cesium chloride, lithium acetate or aluminum perchlorate. She chooses to identify it by reacting with...
The Chemistry of Recycling 2. In the second reaction, sulfuric acid is added to form aluminum hydroxide, potassium sulfate and water Starting with the balanced chemical equation, write the total lonie jution by separating any sale into the lone components. Note that there are several promienions (not individual elements) in this equation. Finish by identifying the types of actions involved in this step and reporting your observations in this step Falan Chemical Reaction 2 KAROH(aq) + H,90 fy) - 2...
Name Pre Lab Questions Date A. Calculate mass of Cuso, 5H.0 to prepare 25mL of 0.100M solution. (5 points each, 25 points total) 0.1com L 25 ml. 0.100 ML 100 mL B. Calculate the volume of a 0.125M solution of NaOH that is needed to make 50mL of a 0.075M solution. C. Provide the concentration of aluminum ion and the concentration of acetate ion in a 0.33M solution of aluminum acetate. Aluminum ion, M Acetate ion, M D. A SOL...
Calculate the volume in milliliters of a 4.3M silver nitrate solution that contains 100. g of silver nitrate (AgNO,). Round your answer to 2 significant digits. XI ? Wine goes baill soon after opening because the ethanol (CH.CH,OH) in it reacts with oxygen gas (0) from the air to form water (HO) and acetic acid (CH,COOH), the main ingredient of vinegar. What mass of ethanol is consumed by the reaction of 8.35 g of oxygen gas? Round your answer to...
b. How would you prepare 225.0 mL of 1.33 M HCl from a 6.00 M stock solution? C. When 25.00 mL of 0.695 M HCl reacts with an excess of silver nitrate, will a precipitate form? Write the net ionic equation for this reaction. How many grams of precipitate can be theoretically obtained? d. What volume of 0.2500 M strontium hydroxide is required to completely react with 75.00 mL of 0.07942 M HCI? e. When 37.5 mL of 0.439 M...
Las Positas College, Chemistry 1A Lab Manual Fall 2017 Page 41 PRE-LAB Name (To be completed before coming to lab) Experiment 5 Identification of Reaction Products 1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.) OH Na...
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