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I.C.E. Problems Consider the following reversible reaction: CuS(s) + O2(g) Cu(s) + SO2(g) A reaction mixture...
Name: Date: Period: Acid Base Worksheet 1. Identify whether each is an acid or base: Turns blue litmus paper red Turns red litmus paper blue Tastes sour Tastes bitter 2. A Bronsted-Lowry acid is an proton 3. A Bronsted-Lowry base is an proton 4. A Lewis acid is an electron pair 5. A Lewis base is an electron pair 6. True or False According to the Arrhenius system, water is neither an acid nor a base. A solution with a...
Q(7) The reaction system POBr3(g) - POBr(g) + Brz(g) is at equilibrium. Which of the following statements describes the behavior of the system if POBr is added to the container? A) The reverse reaction will proceed to establish equilibrium. B) The partial pressures of POBra and POBr will remain steady while the partial pressure of bromine increases. C) The partial pressure of chlorine will increase while the partial pressure of POB decreases. D) The partial pressure of chlorine remains steady...
4. Consider the reaction: 2 SO2(g) + O2(g) 3 2 SO:(g) A 2.0 L flask was filled with 0.0400 moles of SO, and 0.0200 moles of O2. At equilibrium 0.0296 moles of SO, were found. What is the equilibrium constant for this reaction? A) 2.556 x 10 B) 3.664 x 10 C) 6.953 x 102 D) 9.964 x 102 E) 3.116 x 10 5. What is a conjugate acid-base pair for the following equilibrium? H2O(l) + HSO4 (aq) = H2SO4(aq)...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
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4. Consider the reaction: 2 SOX) + g) = 2 50 (8) A 2.0 L flask was filled with 0.0400 moles o. 00200 moles of O. At equilibrium 0.0296 moles of so, were found what is the equilibrium constant for this reaction? A) 2.556 x 10 + B) 3.664 x 10 C) 6.953 x 102 D) 9.964 x 102 E) 3.116 x 10 5. What is a conjugate...
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5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
Numbers 9-14 are predominant species problems! Explain your answer. Which of the following best describes the composition of a solution labeled "0.10 M H,So"? 9. [H2SO] = 0.10M b. [H]>0.10 M, (So21 -0.10 M c. [H']= 0.20 M, [SO10.10 M d. [H']>0.10 M, [HSO.] <0.10 M e. [H'] 0.10 M, [HSO4] = 0.10 M a. 10. Which of the following best describes the composition of a solution labeled "O.10 M HCI"? [HCI) 0.10 M b. [H]<0.10 M, [CI]< 0.10 M...
5. A 3.5 L sample of a 5.8 M NaCl solution is diluted to 55L. What is the molarity of the diluted solution? 6. Consider the reaction: K Slaq) + Co(NO3)2 (aq) → 2KNO3(aq) + Cos) What volume of 0.225 M K S solution is required to completely react with 175 mL of 0.115 M CO(NO3)2? 7. For each reaction, identify the Bronsted-Lowry acid, the Bronsted-Lowry base, the conjugate acid and the conjugate base a. Hl(aq) + H2O → H30*...
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Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
Problem 10.8 identify the reactant that is a Brønsted - Lowry acid in the following reaction: co32-(aq) + H2O(l) HCO'. (aq) + OH-(aq) Express your answer as a chemical formula a ? Submit Request Answer Part B Identify the reactant that is a Bronsted Lowry base in the following reaction: co32-(aq) + H2O() HCO3 (aq) + OH' (aq) Express your answer as a chemical formula. Submit Request Answer ▼ Part C identily the reactant that is a Brønsted - Lowry...