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Exercise 15.79 9 of 11 > Part A Determine what is wrong with the following Ksp...
What am I doing wrong? Part B Write the net ionic equation for the reaction of...
What am I doing wrong?
Part B Write the net ionic equation for the reaction of Ag in HNO3 (aq). Express your answer as a net ionic equation. Identify all of the phases in your answer. ΑΣΦ ? а xa Хь a b X X b . + Ag(s) + 2H+ (aq)+2Ag + (aq) + H, (aq) Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Part A Determine the frequency at which a 26.0 mH inductor will have an inductive reactance...
Part A Determine the frequency at which a 26.0 mH inductor will have an inductive reactance of 356 12. Answer in units of kilo-Hertz. ΟΙ ΑΣΦ -5 f = 5.23 • 10 kHz Submit Previous Answers Request Answer X Incorrect; Try Again; 29 attempts remaining Part B Complete previous part(s) Provide Feedback
< Homework 1 Problem 7 Two point charges of equal magnitude are 8.4 cm apart. At...
< Homework 1 Problem 7 Two point charges of equal magnitude are 8.4 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40 N/C. Part A Find the magnitude of the charges. Express your answer using two significant figures. ΟΙ ΑΣΦ ? хь 14 V x2 x X] X.101 x 9- 3.92.10-13 pC Submit Previous Answers Request Answer X Incorrect; Try Again; 6 attempts remaining
< Homework 3 Problem 10 A parallel-plate capacitor is made from two aluminum-foil sheets, each 4.3...
< Homework 3 Problem 10 A parallel-plate capacitor is made from two aluminum-foil sheets, each 4.3 cm wide and 6.1 m long. Between the sheets is a Teflon strip of the same width and length that is 2.7x10-2 mm thick. Part A What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.) Express your answer using two significant figures. ΟΙ ΑΣΦ ? X хь 14 vx x x X X1 X.10 X C= 2.65.10-17 uF Submit...
Just Part B here Idk why this is wrong What is the resistance of Part A...
Just Part B here
Idk why this is wrong
What is the resistance of Part A A 2.00 m long copper wire that is 0.400 mm in diameter? 0.271 12 Submit Previous Answers ✓ Correct Part B A 60.0 cm long piece of carbon with a 1.50 mm x 1.50 mm square cross section? V AED + O ? 37.3 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Both batteries in (Figure 1) are ideal and...
I dont understand what Im doing wrong? i calculated mass percent and got 17.84% Calculate the...
I dont understand what Im doing wrong? i calculated mass
percent and got 17.84%
Calculate the concentration of each solution in mass percent Part A 119 g KCI in 588 g H,0 Iνα ΑΣφ mass % 17.84 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Complete and balance each of the following: Part A Ca(OH),(s) + HNO3 (aq) → Express your answer as a chemical equat...
Complete and balance each of the following: Part A Ca(OH),(s) + HNO3 (aq) → Express your answer as a chemical equation. Identify all of the phases in your answer. ΑΣΦ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Consider the following reaction: CH3OH(9) CO(9)+2H (9) AH = +90.7kJ AH = 130 kJ Previous Answers...
Consider the following reaction: CH3OH(9) CO(9)+2H (9) AH = +90.7kJ AH = 130 kJ Previous Answers Correct Part For a given sample of CH,OH the enthalpy change on reaction is 185 kJ How many grams of hydrogen gas are produced? I AED ROO? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part D What is the value of AH for the reverse of the previous reaction? AED ROO? AH. Submit Previous Answers Request Answer X Incorrect;...
Problem 2.51 How many hydrogen atoms are in each of the following C2 HOH Express your...
Problem 2.51 How many hydrogen atoms are in each of the following C2 HOH Express your answer as an integer. Πνα ΑΣφ x.10 C,H,OHI hydrogen atoms Previous Answers Submit Request Answer x Incorrect; Try Again; 3 attempts remaining The correct answer does not depend on: C, Hs, OH, Part B Ca(CH3COO) Express your answer as an integer. aνα ΑΣφ VA 7 hydrogen atoms Request Answer Submit Part C NHH2PO Express your answer as an integer.
Review Constants | Periodic Table The Ksp of nickel hydroxide = 6.0 x 10-16 M. Part...
Review Constants | Periodic Table The Ksp of nickel hydroxide = 6.0 x 10-16 M. Part B You may want to reference (Pages 744 - 750) Section 17.5 while completing this problem. Calculate the molar solubility of Ni(OH), when buffered at pH = 10.3. Express your answer using one significant figure. IVO ALO O O ? M Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
What am I doing wrong?
Part B Write the net ionic equation for the reaction of Ag in HNO3 (aq). Express your answer as a net ionic equation. Identify all of the phases in your answer. ΑΣΦ ? а xa Хь a b X X b . + Ag(s) + 2H+ (aq)+2Ag + (aq) + H, (aq) Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Part A Determine the frequency at which a 26.0 mH inductor will have an inductive reactance of 356 12. Answer in units of kilo-Hertz. ΟΙ ΑΣΦ -5 f = 5.23 • 10 kHz Submit Previous Answers Request Answer X Incorrect; Try Again; 29 attempts remaining Part B Complete previous part(s) Provide Feedback
< Homework 1 Problem 7 Two point charges of equal magnitude are 8.4 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40 N/C. Part A Find the magnitude of the charges. Express your answer using two significant figures. ΟΙ ΑΣΦ ? хь 14 V x2 x X] X.101 x 9- 3.92.10-13 pC Submit Previous Answers Request Answer X Incorrect; Try Again; 6 attempts remaining
< Homework 3 Problem 10 A parallel-plate capacitor is made from two aluminum-foil sheets, each 4.3 cm wide and 6.1 m long. Between the sheets is a Teflon strip of the same width and length that is 2.7x10-2 mm thick. Part A What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.) Express your answer using two significant figures. ΟΙ ΑΣΦ ? X хь 14 vx x x X X1 X.10 X C= 2.65.10-17 uF Submit...
Just Part B here
Idk why this is wrong
What is the resistance of Part A A 2.00 m long copper wire that is 0.400 mm in diameter? 0.271 12 Submit Previous Answers ✓ Correct Part B A 60.0 cm long piece of carbon with a 1.50 mm x 1.50 mm square cross section? V AED + O ? 37.3 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Both batteries in (Figure 1) are ideal and...
I dont understand what Im doing wrong? i calculated mass
percent and got 17.84%
Calculate the concentration of each solution in mass percent Part A 119 g KCI in 588 g H,0 Iνα ΑΣφ mass % 17.84 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
Complete and balance each of the following: Part A Ca(OH),(s) + HNO3 (aq) → Express your answer as a chemical equation. Identify all of the phases in your answer. ΑΣΦ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Consider the following reaction: CH3OH(9) CO(9)+2H (9) AH = +90.7kJ AH = 130 kJ Previous Answers Correct Part For a given sample of CH,OH the enthalpy change on reaction is 185 kJ How many grams of hydrogen gas are produced? I AED ROO? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part D What is the value of AH for the reverse of the previous reaction? AED ROO? AH. Submit Previous Answers Request Answer X Incorrect;...
Problem 2.51 How many hydrogen atoms are in each of the following C2 HOH Express your answer as an integer. Πνα ΑΣφ x.10 C,H,OHI hydrogen atoms Previous Answers Submit Request Answer x Incorrect; Try Again; 3 attempts remaining The correct answer does not depend on: C, Hs, OH, Part B Ca(CH3COO) Express your answer as an integer. aνα ΑΣφ VA 7 hydrogen atoms Request Answer Submit Part C NHH2PO Express your answer as an integer.
Review Constants | Periodic Table The Ksp of nickel hydroxide = 6.0 x 10-16 M. Part B You may want to reference (Pages 744 - 750) Section 17.5 while completing this problem. Calculate the molar solubility of Ni(OH), when buffered at pH = 10.3. Express your answer using one significant figure. IVO ALO O O ? M Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
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