Which of the letters a-f in the diagram represents the potential energy of the products? [1] Which letter indicates the activation energy? [2] Which letter indicates the heat of reaction? [3] Is the reaction exothermic or endothermic? [4] Is the reverse reaction exothermic or endothermic?[5]
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Rank the following oxyanions in order of increasing basicity…
Rank the following oxyanions in order of increasing basicity: ClO4-, ClO2-, ClO-, ClO3-.
Rank the following oxoacids in order of increasing acidity:…
Rank the following oxoacids in order of increasing acidity: HClO2, HClO4, HClO, HClO3.
Consider the reaction below. 2.39 mol of A and 6.10 mol of…
Consider the reaction below. 2.39 mol of A and 6.10 mol of B are added to a 5.0 L container. At equilibrium, the concentration of A is 0.296 M. What is the value of the equilibrium constant? 3 A + 4 B ↔ 5 C
Rank the following oxoacids in order of increasing acidity:…
Rank the following oxoacids in order of increasing acidity: HClO2, HClO4, HClO, HClO3.
Consider the reaction below. 2.39 mol of A and 6.10 mol of…
Consider the reaction below. 2.39 mol of A and 6.10 mol of B are added to a 5.0 L container. At equilibrium, the concentration of A is 0.296 M. What is the value of the equilibrium constant? 3 A + 4 B ↔ 5 C
Which of the following is an amphiprotic substance?
Which of the following is an amphiprotic substance?
What type of titration is this? [a] What is the equivalence…
What type of titration is this? [a] What is the equivalence point? [b] What volume of 0.10 M do I need to reach the equivalence point? [c] What is the pH of the acid? [d] Which of the following would be a the best pH indicator for this titration? [e]
What is the overall rate order of a reaction A + B →C which…
What is the overall rate order of a reaction A + B →C which has the following rate equation: rate = k[A][B]?
A student titrates a 25 mL of an unknown concentration of HC…
A student titrates a 25 mL of an unknown concentration of HCl with 35 mL of a 0.890 M solution of KOH to reach the equivalence point. What is the pH of the HCl solution?