Homework Answers
Part A:
1 mole AlBr3 has one mole of Al3+ ions and 3 moles of Br- ions.
N = 6.022 * 1023 ions of Al3+
Part B:
1 mole AlBr3 has one mole of Al3+ ions and 3 moles of Br- ions
N = 3 * 6.022 * 1023 ions of Br- = 1.807 * 1024 ions of Br-
Add Answer to:
Problem 6.22 6 of 21 (> Con PartA How many Ar+ ions are in a mole...
how many Cu2+ ions are in a mole of CuSO4 Part A 21 How many Cu...
how many Cu2+ ions are in a mole of CuSO4
Part A 21 How many Cu ions are in a mole of CuSO4? Express your answer using four significant figures. N= Submit My Answers Give Up
Constants Part A bicycle with tires 64 cm in diameter travels 2.1 knm How many revolutions...
Constants Part A bicycle with tires 64 cm in diameter travels 2.1 knm How many revolutions do the wheels make? Express your answer using two significant figures. N 318309.93 revolutio Previous Answers Request Answer Submit x icorrect; Thy Again; 3 attempts remaining Provide Feedback O Type here to search
Problem 21.61 Review PartA Consider the circuit shown in the figure(Figure 1). Suppose the four resistors...
Problem 21.61 Review PartA Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R-10 Ω , R 7.2 S2, R3 6.42, and R4 12 2, and that the emf of the battery is E = 18 V . Find the current through each resistor using the rules for series and parallel resistors. Express your answers using two significant figures separated by commas. I1, I2,I3, I4- Submit Request Answer Figure 1 of...
Problem 28.57 8 of 8 PartA Find the minimum aperture diameter of a camera that can...
Problem 28.57 8 of 8 PartA Find the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (1.7 m) from an SR-71 Blackbird airplane flying at an altitude of 22 km. (Assume light with a wavelength of 500 nm.) Express your answer using two significant figures. D- Submit Request Answer < Return to Assignment Provide Feedback
Constants PartA An organ pipe is 118 cm long. The speed of sound in air is...
Constants PartA An organ pipe is 118 cm long. The speed of sound in air is 343 m/s. What are the fundamental and first three audible overtones if the pipe is dlosed at one ond? Express your answers using three significant figures separated by commas Hz Submit Request Answer Part B What are the fundamental and first three audible overtones it the pipe is open at both ends? Express your answers using three significant figures separated by commas. Hz Submit...
How much work must be done to stop a 1500 kg car traveling at 80 km/h...
How much work must be done to stop a 1500 kg car traveling at 80 km/h ? Express your answer using two significant figures. h ΚΑΙ ΑΣφ ? W = Submit Request Answer Provide Feedback <Assignment 6 Problem 7.38 Part A If it requires 55 J of work to stretch a particular spring by 1.8 cm from its equilibrium length, how much more work will be required to stretch it an additional 45 cm? Express your answer using two significant...
Constants Periodic Table PartA An electron moves with velocity B = (-0.891 + 0.62j) T (6.7i...
Constants Periodic Table PartA An electron moves with velocity B = (-0.891 + 0.62j) T (6.7i 6.6j) x 104 m/s in a magnetic field Determine the x-component of the force on the electron. Express your answer using two significant figures. empe Symbola Ledo redo resat keyboard shortcuts helo Fx- Submit Request Answer Part EB Determine the y-component of the force on the electron. Express your answer using two significant figures. Symbola Ledo redo resat keyboard shortcuts helo Submit Request Answer...
Part A How many half-lives must elapse until 88 % of a radioactive sample of atoms...
Part A How many half-lives must elapse until 88 % of a radioactive sample of atoms has decayed? Express your answer using two significant figures 10 AED – O @ ? Submit Request Answer Part B How many half-lives must elapse until 97 % of a radioactive sample of atoms has decayed? Express your answer using two significant figures. IVO AXP = 0e? 1/2 Submit Request Answer Provide Feedback
Label final answers only PartA The two forces F1 and F acting at A have a...
Label final answers only
PartA The two forces F1 and F acting at A have a resultant force of FR-190 klb (Figure 1) Determine the magnitude of F. Express your answer to three significant figures and Include the appropriate units PValue Units Submit Part B Determine the coornate direction angle α οι F. Express your answer using three significant Tigures. Figure 1 of1 Subrni Part C Determine the coordinate direction angle β of F2 Express your answer using three significant...
Exercise 3.72 PartA Calculate the mass percent composition of nitrogen in each of the following nitrogen...
Exercise 3.72 PartA Calculate the mass percent composition of nitrogen in each of the following nitrogen compounds. N20 Express your answer using four significant filgures. mass % N Submilt Request Answer Part B SigN4 Express your answer using four significant figures. mass % N- Submit Part C NaNH2 Express your answer using four significant figures
how many Cu2+ ions are in a mole of CuSO4
Part A 21 How many Cu ions are in a mole of CuSO4? Express your answer using four significant figures. N= Submit My Answers Give Up
Constants Part A bicycle with tires 64 cm in diameter travels 2.1 knm How many revolutions do the wheels make? Express your answer using two significant figures. N 318309.93 revolutio Previous Answers Request Answer Submit x icorrect; Thy Again; 3 attempts remaining Provide Feedback O Type here to search
Problem 21.61 Review PartA Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R-10 Ω , R 7.2 S2, R3 6.42, and R4 12 2, and that the emf of the battery is E = 18 V . Find the current through each resistor using the rules for series and parallel resistors. Express your answers using two significant figures separated by commas. I1, I2,I3, I4- Submit Request Answer Figure 1 of...
Problem 28.57 8 of 8 PartA Find the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (1.7 m) from an SR-71 Blackbird airplane flying at an altitude of 22 km. (Assume light with a wavelength of 500 nm.) Express your answer using two significant figures. D- Submit Request Answer < Return to Assignment Provide Feedback
Constants PartA An organ pipe is 118 cm long. The speed of sound in air is 343 m/s. What are the fundamental and first three audible overtones if the pipe is dlosed at one ond? Express your answers using three significant figures separated by commas Hz Submit Request Answer Part B What are the fundamental and first three audible overtones it the pipe is open at both ends? Express your answers using three significant figures separated by commas. Hz Submit...
How much work must be done to stop a 1500 kg car traveling at 80 km/h ? Express your answer using two significant figures. h ΚΑΙ ΑΣφ ? W = Submit Request Answer Provide Feedback <Assignment 6 Problem 7.38 Part A If it requires 55 J of work to stretch a particular spring by 1.8 cm from its equilibrium length, how much more work will be required to stretch it an additional 45 cm? Express your answer using two significant...
Constants Periodic Table PartA An electron moves with velocity B = (-0.891 + 0.62j) T (6.7i 6.6j) x 104 m/s in a magnetic field Determine the x-component of the force on the electron. Express your answer using two significant figures. empe Symbola Ledo redo resat keyboard shortcuts helo Fx- Submit Request Answer Part EB Determine the y-component of the force on the electron. Express your answer using two significant figures. Symbola Ledo redo resat keyboard shortcuts helo Submit Request Answer...
Part A How many half-lives must elapse until 88 % of a radioactive sample of atoms has decayed? Express your answer using two significant figures 10 AED – O @ ? Submit Request Answer Part B How many half-lives must elapse until 97 % of a radioactive sample of atoms has decayed? Express your answer using two significant figures. IVO AXP = 0e? 1/2 Submit Request Answer Provide Feedback
Label final answers only
PartA The two forces F1 and F acting at A have a resultant force of FR-190 klb (Figure 1) Determine the magnitude of F. Express your answer to three significant figures and Include the appropriate units PValue Units Submit Part B Determine the coornate direction angle α οι F. Express your answer using three significant Tigures. Figure 1 of1 Subrni Part C Determine the coordinate direction angle β of F2 Express your answer using three significant...
Exercise 3.72 PartA Calculate the mass percent composition of nitrogen in each of the following nitrogen compounds. N20 Express your answer using four significant filgures. mass % N Submilt Request Answer Part B SigN4 Express your answer using four significant figures. mass % N- Submit Part C NaNH2 Express your answer using four significant figures
Most questions answered within 3 hours.
-
Estimate the diffusion coefficient for methyl phenyl sulfide in
water at 25 degrees Celcius.
asked 28 minutes ago -
10.g of a certain metal absorb 40. cal of heat and the temperature
is abserved to...
asked 1 hour ago -
The time to complete a standardized exam is approximately normal
with a mean of 70 minutes...
asked 1 hour ago -
Two thousand randomly selected adults were asked whether or not
they have ever shopped on the...
asked 1 hour ago -
How many milliliters of 0.0695 M Ca( OH)
2would be required to exactly neutralize 176 mL...
asked 1 hour ago -
A telephone survey uses a random digit dialing machine to call
subjects. The random digit dialing...
asked 2 hours ago -
How can having too little or too much of a certain
protein cause problems for an...
asked 3 hours ago -
Assume a muscle has a PCSA = 20 cm2 and Lo = 12 cm. Assume it...
asked 5 hours ago -
What is the yield to maturity of a ten-year, $1,000 bond with a
5.2% coupon rate...
asked 6 hours ago -
A mass m = 5 kg is tied on one end of a rope and is...
asked 6 hours ago -
The Average sales price of single-family houses in Charlotte is
$210,000 with a standard deviation of...
asked 6 hours ago -
Target Costing
Laser Impressions, Inc., manufactures color laser printers.
Model J20 presently sells for $225 and...
asked 6 hours ago