Classify NH3 as a strong acid, weak acid, strong base, or weak base, and then answer the following question. What is the pH of 1.17 M NH3 (aq)? a. 4.59 b. 11.66 c. 2.34 d. 9.41 e. 9.25
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What is the pH of 0.05 M ClO- (aq) from the previous problem…
What is the pH of 0.05 M ClO- (aq) from the previous problem. a. 9.59 b. 3.89 c. 10.11 d. 12.70 e. 4.41
What is the correct formula for Sodium chromate? a. Na2CrO4…
What is the correct formula for Sodium chromate? a. Na2CrO4 b. Na(CrO4)2 c. Na(CrO3)2 d. Na2CrO3 e. Na2Cr
Suppose the reaction: 2 HI(g) → H2 (g) + I2 (g) is seco…
Suppose the reaction: 2 HI(g) → H2 (g) + I2 (g) is second order with respect to HI(g). If k = 0.0332 M-1 x s-1 and [HI]o = 0.250 M, what is [HI] at time t = 9.3 s? a. 4.31 M b. 0.184 M c. 0.271 M d. 0.00208 M e. 0.232 M Tables.pdf Periodic Table with New Elements.pdf
Classify Ba(OH)2 as a strong acid, weak acid, strong base, o…
Classify Ba(OH)2 as a strong acid, weak acid, strong base, or weak base, write the correct dissolving equation for Ba(OH)2 on scratch paper, and then answer the following question. What is the pH of 7.7 x 10-3 M Ba(OH)2 (aq)? a. 2.11 b. 11.89 c. 12.19 d. 1.81 e. 9.77
Calculate the overall charge of the Iron (II) complex [Fe(CO…
Calculate the overall charge of the Iron (II) complex [Fe(CO)4Cl(SO4)], and then answer the following question. What is the formula of the compound that would form between Na+ and [Fe(CO)4Cl(SO4)]? a. Na [Fe(CO)4Cl(SO4)] b. Na2[Fe(CO)4Cl(SO4)] c. Na3 [Fe(CO)4Cl(SO4)] d. Na6 [Fe(CO)4Cl(SO4)] Tables.pdf Periodic Table with New Elements.pdf
Look up the Ksp value of each compound below in your CHM132…
Look up the Ksp value of each compound below in your CHM132 Tables, and then answer the following question. Which of the following compounds is the least soluble in water? a. Pb(OH)2 b. PbCl2 c. SrF2 d. PbBr2 e. Mg(OH)2
If [OH-] = 8.7 x 10-10 M, what is the pH? a. 2.6 b. …
If [OH-] = 8.7 x 10-10 M, what is the pH? a. 2.6 b. 9.1 c. -9.1 d. 4.9 e . -4.9
For the reaction: 2 NO (g) + Cl2 (g) ⇌ 2 NOCl(g), Keq =…
For the reaction: 2 NO (g) + Cl2 (g) ⇌ 2 NOCl(g), Keq = 2500If a chemist runs the reaction with the following initial pressures: P(NO) = 3.0 atm P(Cl2) = 12.0 atm P(NOCl) = 175 atm Calculate Q and determine which way the reaction will shift to reach equilibrium.(That is, which of the following is entirely correct?) a. Q = 2500, no shift occurs. b. Q = 284, reaction shifts to the right. c. Q = 284, reaction shifts to the left. d. Q = 4.86, reaction shifts to the right. e. Q = 4.86, reaction shifts to the left.
What is the correct formula for Ammonium sulfite? a. (NH3)2S…
What is the correct formula for Ammonium sulfite? a. (NH3)2SO3 b. (NH4)2SO4 c. NH4SO4 d. (NH4)2S e. (NH4)2SO3