Question

Gold has 79 electrons per atom and an atomic mass of 197 uu. Part A What...

Gold has 79 electrons per atom and an atomic mass of 197 uu.

Part A

What is the total charge of all the electrons in 3.7-kgkg bar of gold?

Express your answer to two significant figures and include the appropriate units.

B What is the net charge of the bar?

Homework Answers

Answer #1

The answer is given below

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Part A What mass of Cu(s) is electroplated by running 18.0 A of current through a...
Part A What mass of Cu(s) is electroplated by running 18.0 A of current through a Cu2+(aq) solution for 4.00 h? Express your answer to three significant figures and include the appropriate units. Part B How many minutes will it take to electroplate 37.1 g of gold by running 5.00 A of current through a solution of Au+(aq)? Express your answer to three significant figures and include the appropriate units.
Part A.) What is the total negative charge, in coulombs, of all the electrons in a...
Part A.) What is the total negative charge, in coulombs, of all the electrons in a small 1.15 g sphere of carbon? One mole of C is 12.0 g , and each atom contains 6 protons and 6 electrons. Express your answer using three significant figures. Part B.) Suppose you could take out all the electrons and hold them in one hand, while in the other hand you hold what is left of the original sphere. If you hold your...
A system consists of 60 electrons and 44 protons. e=1.60×10?19C What is the total charge of...
A system consists of 60 electrons and 44 protons. e=1.60×10?19C What is the total charge of the system? Express your answer to three significant figures and include the appropriate units.
neutral carbon atom has 6 protons, 6 neturons and 6 electrons. What is the atomic mass...
neutral carbon atom has 6 protons, 6 neturons and 6 electrons. What is the atomic mass of Carbon?    1.   18     2.   12     3.   6.00127     4.   12.0107 10 points    QUESTION 17 Charles Darwin's theory of descent with modification was formulated from two basic observations, which of the following is one of those observations?    1.   A population usually can produce many more offspring than will can be supported     2.   All mutations lead to lower reproductive...
A.) Two identical closely spaced circular disks form a parallel-plate capacitor. Transferring 2.5×109 electrons from one...
A.) Two identical closely spaced circular disks form a parallel-plate capacitor. Transferring 2.5×109 electrons from one disk to the other causes the electric field strength between them to be 1.0×105 N/C . What are the diameters of the disks? Express your answer to two significant figures and include the appropriate units. B.) At a distance r from a point charge, the electric potential is 4600 V and the magnitude of the electric field is 2.0×105 V/m . - What is...
Please Answer all 3 completely! Thank you <3 1. In an integrated circuit, the current density...
Please Answer all 3 completely! Thank you <3 1. In an integrated circuit, the current density in a 2.4-μm-thick × 72-μm-wide gold film is 7.0×105 A/m^2 Part A: How much charge flows through the film in 15 min? Express your answer to two significant figures and include the appropriate units. 2. The current in an electric hair dryer is 10 A . How many electrons flow through the hair dryer in 5.8 min ? Express your answer using two significant...
Question 11 Part A) What is the stress within the girder? Express your answer to two...
Question 11 Part A) What is the stress within the girder? Express your answer to two significant figures and include the appropriate units. stress Part B) A sign (mass 2400 kg ) hangs from the end of a vertical steel girder with a cross-sectional area of 0.013 m2 . Ignore the mass of the girder itself. The elastic modulus for steel is 2.0×1011N/m2. What is the strain on the girder? Express your answer to two significant figures. strain =   Part...
Problem 5.54 A 100.0-g bar of gold is heated from 25 ∘C to 50 ∘C during...
Problem 5.54 A 100.0-g bar of gold is heated from 25 ∘C to 50 ∘C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant. Part A Based on the data, calculate the specific heat of Au(s). Express your answer to two significant figures and include the appropriate units. Cs = 0.13 J⋅(g⋅∘C)−1 SubmitMy AnswersGive Up All attempts used; correct answer displayed Part B Suppose that the same amount of heat is added...
A -14 nC charge is located at (x, y) = (1.4 cm , 0 cm). Part...
A -14 nC charge is located at (x, y) = (1.4 cm , 0 cm). Part B What is the y-component of the electric field at the position (x, y) = (5.9 cm , 0 cm)? Express your answer to two significant figures and include the appropriate units. Part D What is the y-component of the electric field at the position (x, y) = (?5.9cm, 0 cm)? Express your answer to two significant figures and include the appropriate units. Part...
Suppose a 20-kW radio station emits EM waves uniformly in all directions. Part A How much...
Suppose a 20-kW radio station emits EM waves uniformly in all directions. Part A How much energy per second crosses a 1.4 m2 area 1 km from the transmitting antenna? Express your answer to two significant figures and include the appropriate units. Part B What is the rms magnitude of the E⃗ field at this point, assuming the station is operating at full power? Express your answer to two significant figures and include the appropriate units. Part C What is...