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calculate the pH for both equations please
Exercise 14.69 HO1-7.0x10 M Express your answer using two...
Constants Periodic Table Calculate the work done by the gas. Express your answer using two significant...
Constants Periodic Table Calculate the work done by the gas. Express your answer using two significant figures. A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 3350 kcal of heat is added to the gas, the volume is observed to W- 6.7x105J increase slowly from 12.8 m to 19.4 m . Previous Answers Correct Part B Calculate the change in internal energy of the gas. ABat1.3 107 Previous Answers Request...
9.0x102 M in HF and 0.220 M in HC6Hs 0 Express your answer to two decimal...
9.0x102 M in HF and 0.220 M in HC6Hs 0 Express your answer to two decimal places Submit revious Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Calculate the current in the U-shaped conductor Express your answer to two significant figures an...
Calculate the current in the U-shaped conductor Express your answer to two significant figures and Include the appropriate units Constants In (Figure 1), the rod moves with a speed of 1.2 m/s on rals 33.0 cm apart. The rod has a resistance of 2.4 Ω The magnetic fiold is 0.34 T, and the resistance of the U-shaped conductor is 24.0 Ω at a given instant. 0.0056 Submit Previous Answers Request Answer X incorrect; Try Again; 4 attempts remaining Figure 1...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
B, C, and D are wrong. Please show all work. Thank you! Ka was not provided...
B, C, and D are wrong. Please show all work. Thank you! Ka was
not provided in the info.
<Assignment 13 (Chapter 16) Problem 16.88 ③ 5 of7 Review Constants 1 Periodic Table Consider the titration of 44.0 mL of 0.270 M HF with 0.190 M NaOH. Calculate the pH at each of the following points. Part A How many milliliters of base are required to reach the equivalence point? Express your answer using three significant figures. VNaOH = 62.5...
Need help with Part E. Calculate the pH after the following volumes of acid (31.0 mL)...
Need help with Part E.
Calculate the pH after the following volumes of acid (31.0 mL)
have been added.
Will rate high is answer is correct. Thank you!
M Review Constants Periodic Table You may want to reference (Pages 729 - 739) Section 17.3 while completing this problem. pH = 2.17 A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HCIO4 solution. Calculate the pH after the following volumes of acid have been added. Submit Previous Answers...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the origin. Correct Part C What is the electric potential at (3.0m 3.0m)? Express your answer using two significant figures. ˇ- 11.8.104 Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining
Part A What is the work function of the cathode? Express your answer using two significant...
Part A What is the work function of the cathode? Express your answer using two significant figures. Constants In a photoelectric-effect experiment, the maximum kinetic energy of electrons is 3.3 eV . When the wavelength of the light is increased by 50%, the maximum energy decreases to 1.5 eV Ед Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B What is the initial wavelength? Express your answer using two significant figures. A. nm Submit Request...
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted...
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted to 420.0 mL Express your answer using three decimal places. I VOAED ? pH= Previous Answers Request Answer Submit X Incorrect; Try Again; 2 attempts remaining P Pearson Terms of Use P htr roconred
Please help with all 4!!!! I'm stuck! Part C Find the pH of a 0.130 M...
Please help with all 4!!!! I'm stuck!
Part C Find the pH of a 0.130 M HF solution. Express your answer to two decimal places. IVO AQ 0 2 ? pH = 2.01 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part D Find the percent dissociation of a 0.130 M HF solution. Express your answer using two significant figures. VALO 0 2 ? Part E Find the pH of a 5.00x10-2 M HF solution Express...
Constants Periodic Table Calculate the work done by the gas. Express your answer using two significant figures. A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 3350 kcal of heat is added to the gas, the volume is observed to W- 6.7x105J increase slowly from 12.8 m to 19.4 m . Previous Answers Correct Part B Calculate the change in internal energy of the gas. ABat1.3 107 Previous Answers Request...
9.0x102 M in HF and 0.220 M in HC6Hs 0 Express your answer to two decimal places Submit revious Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Calculate the current in the U-shaped conductor Express your answer to two significant figures and Include the appropriate units Constants In (Figure 1), the rod moves with a speed of 1.2 m/s on rals 33.0 cm apart. The rod has a resistance of 2.4 Ω The magnetic fiold is 0.34 T, and the resistance of the U-shaped conductor is 24.0 Ω at a given instant. 0.0056 Submit Previous Answers Request Answer X incorrect; Try Again; 4 attempts remaining Figure 1...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
B, C, and D are wrong. Please show all work. Thank you! Ka was
not provided in the info.
<Assignment 13 (Chapter 16) Problem 16.88 ③ 5 of7 Review Constants 1 Periodic Table Consider the titration of 44.0 mL of 0.270 M HF with 0.190 M NaOH. Calculate the pH at each of the following points. Part A How many milliliters of base are required to reach the equivalence point? Express your answer using three significant figures. VNaOH = 62.5...
Need help with Part E.
Calculate the pH after the following volumes of acid (31.0 mL)
have been added.
Will rate high is answer is correct. Thank you!
M Review Constants Periodic Table You may want to reference (Pages 729 - 739) Section 17.3 while completing this problem. pH = 2.17 A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HCIO4 solution. Calculate the pH after the following volumes of acid have been added. Submit Previous Answers...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the origin. Correct Part C What is the electric potential at (3.0m 3.0m)? Express your answer using two significant figures. ˇ- 11.8.104 Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining
Part A What is the work function of the cathode? Express your answer using two significant figures. Constants In a photoelectric-effect experiment, the maximum kinetic energy of electrons is 3.3 eV . When the wavelength of the light is increased by 50%, the maximum energy decreases to 1.5 eV Ед Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B What is the initial wavelength? Express your answer using two significant figures. A. nm Submit Request...
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted to 420.0 mL Express your answer using three decimal places. I VOAED ? pH= Previous Answers Request Answer Submit X Incorrect; Try Again; 2 attempts remaining P Pearson Terms of Use P htr roconred
Please help with all 4!!!! I'm stuck!
Part C Find the pH of a 0.130 M HF solution. Express your answer to two decimal places. IVO AQ 0 2 ? pH = 2.01 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part D Find the percent dissociation of a 0.130 M HF solution. Express your answer using two significant figures. VALO 0 2 ? Part E Find the pH of a 5.00x10-2 M HF solution Express...
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