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Question 15 (2 points) Which salt forms a solution with a pH < 7 when dissolved...
Which salt forms a basic solution when dissolved in water? ОА) КСІ OB) LINO3 C) Na3PO4...
Which salt forms a basic solution when dissolved in water? ОА) КСІ OB) LINO3 C) Na3PO4 UD) NH Br
Which one of the following salts, when dissolved in water, produces the solution with a pH...
Which one of the following salts, when dissolved in water, produces the solution with a pH closest to 7.00? Ba O RbI Na HSO4 NH4 Cl
QUESTION 24 Which is a net ionic equation for the neutralization of a strong acid with...
QUESTION 24 Which is a net ionic equation for the neutralization of a strong acid with a strong base? HCl(aq) + NH3(aq) + NH4(aq) + Cl(aq) OB.H30(aq) + OH(aq) + 2 H2O() HF(aq) + NaOH(aq) = H2O()) + NaF(aq) OD. HF(aq) + OH-(aq) = H2000) + F(aq) QUESTION 25 Which of the following Bronsted-Lowry acids behaves as a strong acid when it is dissolved in water? O A HNO2 B. H3PO4 OC.H2504 OD.H2CO3 QUESTION 26 Which one of the following...
Question 7 of 16 > In a calorimeter, 1.045 g of an unknown salt is dissolved...
Question 7 of 16 > In a calorimeter, 1.045 g of an unknown salt is dissolved in 50.0 mL of water at 25.0 'C, and the temperature of the water increases to 32.3°C. Assuming that the specific heat of the solution is 4.184 J/g °C) and that the calorimeter itself absorbs a negligible amount of heat, calculate the AH in kJ for dissolving the salt in water. O 31.9 J -1.56 kJ 1.561 -1560 kJ O -31.9 O 1560 kJ...
Question 15 (2 points) Which of the following are possible products of the reaction shown? hv...
Question 15 (2 points) Which of the following are possible products of the reaction shown? hv NBS Br Br IV Oa) I, II and III ob) I and II Oc) I, II, III and IV od) 1, III and IV Question 16 (2 points) Guess the structure of the compound using your understanding of chemical shifts. 2H PP انه IV oa) III ob) 1 oc) IV od) 11
Question 15 (2 points) Which of the following substituents will not direct the incoming group to...
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
What is the pH of a 0.10 M solution of NH4CI (K7= 5.6 x 10-10)? O...
What is the pH of a 0.10 M solution of NH4CI (K7= 5.6 x 10-10)? O a) 12.3 Ob) 8.9 Oc) 7.3 Od) 5.1 e) 1.7 Question 7 (5 points) The salt calcium acetate Ca(CH3COO)2 is basic. True False
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH...
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III
2. Which compound forms an electrolyte solution when dissolved in water? a. KCI b. Br2 C....
2. Which compound forms an electrolyte solution when dissolved in water? a. KCI b. Br2 C. CH3 OH d. C6H12O6 (glucose) 3. Gases are more soluble in liquid at:
Question 13 Which salt(s) listed below form(s) an acidic aqueous solution when dissolved in water? I....
Question 13 Which salt(s) listed below form(s) an acidic aqueous solution when dissolved in water? I. KNO2 NaF NH4CIO4 III. a. III only b. All of these O c II only d. I and II e I only
Which salt forms a basic solution when dissolved in water? ОА) КСІ OB) LINO3 C) Na3PO4 UD) NH Br
QUESTION 24 Which is a net ionic equation for the neutralization of a strong acid with a strong base? HCl(aq) + NH3(aq) + NH4(aq) + Cl(aq) OB.H30(aq) + OH(aq) + 2 H2O() HF(aq) + NaOH(aq) = H2O()) + NaF(aq) OD. HF(aq) + OH-(aq) = H2000) + F(aq) QUESTION 25 Which of the following Bronsted-Lowry acids behaves as a strong acid when it is dissolved in water? O A HNO2 B. H3PO4 OC.H2504 OD.H2CO3 QUESTION 26 Which one of the following...
Question 7 of 16 > In a calorimeter, 1.045 g of an unknown salt is dissolved in 50.0 mL of water at 25.0 'C, and the temperature of the water increases to 32.3°C. Assuming that the specific heat of the solution is 4.184 J/g °C) and that the calorimeter itself absorbs a negligible amount of heat, calculate the AH in kJ for dissolving the salt in water. O 31.9 J -1.56 kJ 1.561 -1560 kJ O -31.9 O 1560 kJ...
Question 15 (2 points) Which of the following are possible products of the reaction shown? hv NBS Br Br IV Oa) I, II and III ob) I and II Oc) I, II, III and IV od) 1, III and IV Question 16 (2 points) Guess the structure of the compound using your understanding of chemical shifts. 2H PP انه IV oa) III ob) 1 oc) IV od) 11
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
What is the pH of a 0.10 M solution of NH4CI (K7= 5.6 x 10-10)? O a) 12.3 Ob) 8.9 Oc) 7.3 Od) 5.1 e) 1.7 Question 7 (5 points) The salt calcium acetate Ca(CH3COO)2 is basic. True False
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III
2. Which compound forms an electrolyte solution when dissolved in water? a. KCI b. Br2 C. CH3 OH d. C6H12O6 (glucose) 3. Gases are more soluble in liquid at:
Question 13 Which salt(s) listed below form(s) an acidic aqueous solution when dissolved in water? I. KNO2 NaF NH4CIO4 III. a. III only b. All of these O c II only d. I and II e I only
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