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the give and sodium chloride, and then write the net ionic equation. Show states for all reactants and products (s, C, g, aq). The "alum" used in cooking is potassium aluminum sulfate hydrate, KAI(SO.)2 x H20. To find the value of x, you can heat a sample of the compound to drive off all of the water and leave only KAI(SO.)2. Assume you heat 4.74 g of the hydrated compound and that the sample loses 2.16 g of water. What is the value of x? Hydrogen cyanide is a highly poisonous, volatile liquid. One way in which it can be prepared is by the reaction:

the give and sodium chloride, and then write the net ionic equation. Show states for all reactants and products (s, C, g, aq). The "alum" used in cooking is potassium aluminum sulfate hydrate, KAI(SO.)2 x H20. To find the value of x, you can heat a sample of the compound to drive off all of the water and leave only KAI(SO.)2. Assume you heat 4.74 g of the hydrated compound and that the sample loses 2.16 g of water. What is the value of x? Hydrogen cyanide is a highly poisonous, volatile liquid. One way in which it can be prepared is by the reaction:

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 52QAP: Write a balanced equation for the reaction between (a) dihydrogen sulfide and sulfur dioxide gases...
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3. Balance the reaction of sodium hydroxide and iron(II) chloride to give iron(1I) hydroxide and sodium chloride, and then write the net ionic equation. Show states for all reactants and products (s, C, g, aq). 4. The "alum" used in cooking is potassium aluminum sulfate hydrate, KAl(SO.): x H20. To find the value of x, you can heat a sample of the compound to drive off all of the water and leave only KAI(SO.)2. Assume you heat 4.74 g of the hydrated compound and that the sample loses 2.16 g of water. What is the value of x? 5. Hydrogen cyanide is a highly poisonous, volatile liquid. One way in which it can be prepared is by the reaction: CH4 (g) + NH3 (g)→ HCN (g) + 3 H2 (g) Use Hess' law and the following thermochemical equations to find the heat of the above reaction at constant pressure. N2 (g) + 3 H2 (g) → 2 NH3 (g); AH = -91,8 kJ C (graphite) + 2 H2 (g)→ CH4 (g); AH=-74,9 kJ H2 (g) + 2 C (graphite) + N2 (g)→2 HCN (g); AH = 270,3 kJ
Transcribed Image Text:3. Balance the reaction of sodium hydroxide and iron(II) chloride to give iron(1I) hydroxide and sodium chloride, and then write the net ionic equation. Show states for all reactants and products (s, C, g, aq). 4. The "alum" used in cooking is potassium aluminum sulfate hydrate, KAl(SO.): x H20. To find the value of x, you can heat a sample of the compound to drive off all of the water and leave only KAI(SO.)2. Assume you heat 4.74 g of the hydrated compound and that the sample loses 2.16 g of water. What is the value of x? 5. Hydrogen cyanide is a highly poisonous, volatile liquid. One way in which it can be prepared is by the reaction: CH4 (g) + NH3 (g)→ HCN (g) + 3 H2 (g) Use Hess' law and the following thermochemical equations to find the heat of the above reaction at constant pressure. N2 (g) + 3 H2 (g) → 2 NH3 (g); AH = -91,8 kJ C (graphite) + 2 H2 (g)→ CH4 (g); AH=-74,9 kJ H2 (g) + 2 C (graphite) + N2 (g)→2 HCN (g); AH = 270,3 kJ
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