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on 7 of 65 Identify the predominant intermolecular force in each of these substances. Hydrogen bonding...
16.2 Identify the acid-base conjugate pairs in each of the following reactions. (a) CH3COO- + HCN...
16.2 Identify the acid-base conjugate pairs in each of the following reactions. (a) CH3COO- + HCN > CH4COOH + CNC (b) HCO3 + HCO3 = H2CO3 + CO3- (C) HAPO + NH3 HPO + NH (d) HCIO + CH3NH, 2 CH3NH+ + C10- (e) CO3- + H20 = HCO3 + OH 163 Classify each of the following species as a Brønsted
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole...
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
estion 10 of 65 > Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What...
estion 10 of 65 > Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+(aq) + OH(aq) — K+(aq) + F (aq) + H2O(1) O HF(aq) + K+(aq) + OH-(aq) — K+(aq) + F (aq) + H+(1) + OH-(1) O HF(aq) + OH-(aq) —> F-(aq) + H2O(1) HF(aq) + K+(aq) F (aq) + H+(1) HF(aq) + K+(aq) K+(aq) + H2O(1) - 11 of 65 > Calculate either...
stion 34 of 65 > A gas is in a sealed container with a moveable piston....
stion 34 of 65 > A gas is in a sealed container with a moveable piston. The original pressure is 113 kPa and the original volume is 0.170 m. If the piston is moved outward to make the volume 0.540 mº, what will the new pressure be? Assume that the temperature of the gas is kept constant 0.0281 kPa O 35.6 kPa 0.00279 kPa 359 kPa Now, suppose that the original conditions remain the same but the piston is moved...
estion 14 of 65 > Use the pH lab to rank the solutions by pH. Highest...
estion 14 of 65 > Use the pH lab to rank the solutions by pH. Highest pH Lowest pH Answer Bank red and blue litmus paper stay the same color [OH-] = 10-'M universal indicator turns the solution violet [H+] = 10-'M universal indicator turns the solution red stion 15 of 65 > A buffer is prepared by mixing hypochlorous acid (HCIO) and sodium hypochlorite (Nacio). If a strong base, such as NaOH, is added to this buffer, which buffer...
2 pts Question 4 Identify all conjugate acid-base pairs in the reaction shown. N(CH3)H2(aq) + H2O(l)...
2 pts Question 4 Identify all conjugate acid-base pairs in the reaction shown. N(CH3)H2(aq) + H2O(l) <= N(CH3)H3(aq) + OH"(aq) ON(CH3)H3/OH N(CH3)H3/H20 ' N(CH3)H/OH H30/OH N(CH3)H/N(CH3)H3 H2O/H30 H2O/OH-
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
For each reaction, identify the Bronsted-Lowry acid, the Bronsted-Lowry base, the conjugate acid, and the conjugate...
For
each reaction, identify the Bronsted-Lowry acid, the Bronsted-Lowry
base, the conjugate acid, and the conjugate base.
check the images for the questions.
8 of 13 Review I Constants I Periodic Table e Part A HBr(aq) + H2O()->H, O* (aq) + Br (aq) Express your answers as a chemical expressions. Enter your answers in order given in the question separated by commas. ΑΣφ ? Submit Request Answer Part B NH, (ag) + H2O() = NH (ag) + OH (aq) Express...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(l) —— HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(1) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences between the 2 concepts 6. What are curved arrows or "curly arrows" in Organic Chemistry? What do they represent? Give an example (b) Using Ammonia...
By titration, it is found that 87.1 mL of 0.153 M NaOH(aq) is needed to neutralize...
By titration, it is found that 87.1 mL of 0.153 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. (HCI) In the acid reaction, classify each substance as the stronger acid, weaker acid, stronger base, or weaker base. A table of acids and their conjugate bases, listed by relative strength, may be helpful. HCN + HCO3 CN + H,CO Answer Bank weaker acid stronger base stronger acid weaker base Which direction does...
16.2 Identify the acid-base conjugate pairs in each of the following reactions. (a) CH3COO- + HCN > CH4COOH + CNC (b) HCO3 + HCO3 = H2CO3 + CO3- (C) HAPO + NH3 HPO + NH (d) HCIO + CH3NH, 2 CH3NH+ + C10- (e) CO3- + H20 = HCO3 + OH 163 Classify each of the following species as a Brønsted
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
estion 10 of 65 > Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+(aq) + OH(aq) — K+(aq) + F (aq) + H2O(1) O HF(aq) + K+(aq) + OH-(aq) — K+(aq) + F (aq) + H+(1) + OH-(1) O HF(aq) + OH-(aq) —> F-(aq) + H2O(1) HF(aq) + K+(aq) F (aq) + H+(1) HF(aq) + K+(aq) K+(aq) + H2O(1) - 11 of 65 > Calculate either...
stion 34 of 65 > A gas is in a sealed container with a moveable piston. The original pressure is 113 kPa and the original volume is 0.170 m. If the piston is moved outward to make the volume 0.540 mº, what will the new pressure be? Assume that the temperature of the gas is kept constant 0.0281 kPa O 35.6 kPa 0.00279 kPa 359 kPa Now, suppose that the original conditions remain the same but the piston is moved...
estion 14 of 65 > Use the pH lab to rank the solutions by pH. Highest pH Lowest pH Answer Bank red and blue litmus paper stay the same color [OH-] = 10-'M universal indicator turns the solution violet [H+] = 10-'M universal indicator turns the solution red stion 15 of 65 > A buffer is prepared by mixing hypochlorous acid (HCIO) and sodium hypochlorite (Nacio). If a strong base, such as NaOH, is added to this buffer, which buffer...
2 pts Question 4 Identify all conjugate acid-base pairs in the reaction shown. N(CH3)H2(aq) + H2O(l) <= N(CH3)H3(aq) + OH"(aq) ON(CH3)H3/OH N(CH3)H3/H20 ' N(CH3)H/OH H30/OH N(CH3)H/N(CH3)H3 H2O/H30 H2O/OH-
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
For
each reaction, identify the Bronsted-Lowry acid, the Bronsted-Lowry
base, the conjugate acid, and the conjugate base.
check the images for the questions.
8 of 13 Review I Constants I Periodic Table e Part A HBr(aq) + H2O()->H, O* (aq) + Br (aq) Express your answers as a chemical expressions. Enter your answers in order given in the question separated by commas. ΑΣφ ? Submit Request Answer Part B NH, (ag) + H2O() = NH (ag) + OH (aq) Express...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(l) —— HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(1) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences between the 2 concepts 6. What are curved arrows or "curly arrows" in Organic Chemistry? What do they represent? Give an example (b) Using Ammonia...
By titration, it is found that 87.1 mL of 0.153 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. (HCI) In the acid reaction, classify each substance as the stronger acid, weaker acid, stronger base, or weaker base. A table of acids and their conjugate bases, listed by relative strength, may be helpful. HCN + HCO3 CN + H,CO Answer Bank weaker acid stronger base stronger acid weaker base Which direction does...
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