CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7...
1) Calculate AH (250°C) for the formation of ammonia gas from nitrogen gas and hydrogen gas Substance Enthalpy value (kJ/mole) Entropy value K-mole) 1925 1306 191.5 Ammonia gas Hydrogen gas Nitrogen gas (write rxn with phase labels) 1) Calculate the standard Enthalpy change at 25.0°C Gaseous water (-241.8 kJ/mole) plus Carbon graphitel( 0.0 kJ/mole) yields hydrogen gas (0.0kJ/mole) plus carbon dioxide gas(-393.5 kJ/mole) Calcium carbonate (marble chips) reacts with hydrochloric acid to produce carbon dioxide gas, water and calcium chloride....
B. Write a balanced chemical reaction for the following word equations. (7 points) a. Potassium chlorate decomposes to form potassium chloride and oxygen. b. Aqueous solutions of copper (II) nitrate and sodium hydroxide react to form solid copper (II) hydroxide and a solution of sodium nitrate. b. Aqueous solutions of copper (II) nitrate and sodium hydroxide react to form solid copper (II) hydroxide and a solution of sodium nitrate. c. Diphosphorous tetrabromide reacts with fluorine gas to produce diphosphorous tetrafluoride...
Use only the precipitation, gaseous, com bustion, synthesis, single displacement or decomposition ONLY. NO REACTION write NO RXN Gaseous nitrogen dioxide decomposes to form gaseous nitrogen monoxide and oxygen gas Copper metal reacts with aqueous silver nitrate Aqueous barium chloride is placed in an Erlenmeyer flask containing sulfuric acid Carbonic acid decomposes to form carbon dioxide gas and water liquid Bariam metal is placed in a beaker containing hydrochloric acid Aqueous calcium chloride is added to a test tube containing...
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only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
17. On the basis of the general solubility rules given in Table 7.1, write a balanced molecular equation for the precipitation reactions that take place when the following aqueous solutions are mixed. Underline the formula of the precipitate (solid) that forms. If no precipitation reaction is likely for the reactants given, explain why. a. ammonium chloride, NH,CI, and sulfuric acid, H,SO b. potassium carbonate, K,CO3, and tin(IV) chloride, Snc c. ammonium chloride, NH CI, and lead(II) nitrate, Pb(NO3) d. copper(II)...
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate, KClO3, decomposes to form solid potassium chloride and diatomic oxygen gas. (b) Solid aluminum metal reacts with solid diatomic iodine to form solid Al2I6. (c) When solid sodium chloride is added to aqueous sulfuric acid, hydrogen chloride gas and aqueous sodium sulfate are produced. (d) Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water.
A) how many mL of 0.5000 m aqueous potassium hydroxide are needed to neutralized (turn oink due to indicator phenolphthalein) 25.00 ml of 0.5000 m aqueous oxalic acid. please write balanced equation, note mole to mole ratio of acid to base and use stoichiometry to solve. B) write a balanced reaction for the mixing of aqueous sodium chloride and aqueous silver nitrate which produces solid silver chloride and aqueous sodium chloride. Calculate the grams of the solid product and grams...
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
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....
interpretation of a chemical change and nomenclature report
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Interpretation of a Chemical Change & Nomenclature Report Pages Observations: Reaction Appearance Touch (Hot, cold, or no change) Smell (Describe) Did reaction occur? (yes/no) 1. List the reactions (by number) that: a. formed a precipitate: b. changed color: c. produced a gas: d. were endothermic: e. were exothermic: 2. Name the following: RbCI Fe(NO3)2 Ag2804_ KOH Mg3N2 3. Write the chemical formulas for: Sodium sulfate: Hydrochloric acid: Copper (II) chloride: Calcium...