For a substance with a diffusion coefficient (D) of 1 x 10E-5 cm2.s-1, what is the diffusion time along a path of 1 micrometer (um), a distance that is roughly the length of a bacterial cell? (Remember that x2 = 2Dt.) A. 5 ms B. 50 ms C. 0.5 ms D. 500 ms O E. 500 s

For a substance with a diffusion coefficient (D) of 1 x 10E-5 cm2.s-1, what is the diffusion time along a path of 1 micrometer (um), a distance that is roughly the length of a bacterial cell? (Remember that x2 = 2Dt.) A. 5 ms B. 50 ms C. 0.5 ms D. 500 ms O E. 500 s

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 70P: (a) Suppose that a person has an average heart rate of 72.0 beats/mm. How many beats does he or she...

See similar textbooks

Related questions

Q: Rank in order, from largest to smallest, the densities of objects A, B, and C as shown. Explain.

A: Step 1 According to the figure, the most part objects A is inside the water, the least part of the…

Q: One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen. A hydrogen atom…

Q: a. Prepare a piece of paper preferably a letter size or legal-size bond paper or any paper of the…

A: Introduction: In everyday example physics can be explained very easily. In high school physics…

Q: II. Problem Solving. Solve the following problems with complete solutions. 1. Estimate the number of…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: An air bubble released by a remotely operated underwater vehicle, 115 m below the surface of a lake,…

Q: A Fahrenheit and a Celsius thermometer are both immersed in a fluid. a) If the two numerical…

A: Given a) C=F b) F=2C

Q: A hollow palladium (ppd = 1.202 x 104 kg/m 3) spherical shell of mass m = 0.9760 kg floats in water…

A: (a) The radius of the sphere is given as shown below. FB=mgVWρWg=mgVWρW=m43πR3ρW=mR=mρW34π3=0.9760…

Q: Air is blown into a spherical balloon so that, when its radius is 6.50 cm, its radius is increasing…

A: Given data: Radius of the balloon R =6.50 cm Increasing rate dR/dt =0.900 cm/s

Q: (II) A 32-kg child decides to make a raft out of empty 1.0-L soda bottles and duct tape. Neglecting…

A: For the child to stay dry on the raft, the weight of water must be equal to the buoyant force.

Q: A piston weighing 12 N rests on a sample of gas in a cylinder 5.0 cm in diameter. (a) What is the…

A: Pressure is the force per unit area P= F/A

Q: 6. Two students, John and Jay are given a small cylinder of aluminium of known mass and asked to…

Q: (a) Compute the order of magnitude of the mass of a bathtub half full of water. (b) Compute the…

A: Assume the volume of the bath tub is around V = 0.160 m3. The density of the water is Ꝭ = 1000…

Q: A hot-air balloon has a volume of 500 m'. The balloon moves upwards at a constant spced in air of…

A: Volume of hot air ballon (V) = 500 m3density of air (d) = 1.2 kgm3density of hot air inside (D) =…

Q: The ideal gas law states that a gas’s pressure ?([kg]/[m][s]^2) depends upon its volume ? ([m]^3),…

A: This question is from dimensional analysis. We need to use application of dimensional analysis.

Q: 7. If a balloon filled with air is put into a jar with a vacuum the balloon will expand. Assume that…

Q: A large balloon of mass 226 kg is filled with helium gas until its volume is 325 m3. The density of…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A canister with thin metal walls is immersed in water with temperature T. (See figure.) Initially…

A: GivenIntially the canister holds airat atmospheric pressure P1 - 101325pa

Q: (a) A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the…

A: a) The required depth is,

Q: Consider the diffusion of a spherical particle in a liquid: D is the diffusion coefficient, ris the…

A: Write the expression for diffusion. D=kT6πrη

Q: diffusion

Q: A hose for firefighters has an inner diameter of 10.0 cm. The pressure inside the hose is 400 kPa…

Q: Use the concepts of the kinetic-molecular model to explain: (a) why the pressure of a gas in a rigid…

A: We have the postulate of the kinetic-molecular model: The average kinetic energy and the most…

Q: 1. What is the outer diameter of the holding tube? The retention time is 35 seconds and the flowrate…

A: The volume of fluid going through a cross-sectional slice of the pipe per second is defined as the…

Q: The Canadian Norman Wells Oil Pipeline extends from Norman Wells, Northwest Territories, to Zama,…

Q: a) Draw the free body diagram for the piston and apply Fnet ma to the horizontal direction. Think…

A: Kindly go step by step for a better understanding. Do note that the variables used are all standard…

Q: The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g, and…

A: a)Number of karat = 24 * mass of gold/total mass22 = 24 * mass of gold /7.988mass of gold = 7.322 g…

Q: A. If you double the typical speed of molecules in a gas, by what factor will the pressure change?…

A: According to the kinetic theory of gas, the pressure of a gas is given by: P=13ρc2. Using this…

Q: rn vacuum pumps make it easy to attain ures of the order of 10-13 atm in the atory. lated…

Q: a) Estimate the radius and volume of the platinum atom, using the metal density of 21.45 g/cm³.…

A: metal density of platinum = 21.45 g/cm3Mass of platinum atom = 195 amu = 195×1.67×10-24 g = 3.2565…

Q: Part A Calculate the rms speed of an oxygen molecule at 4 °C. Express your answer to three…

A: Given: molecule : oxygen Temperature T =4 C =4+273 = 277 K

Q: (a) on dry concrete 3.03 )× m/s² (b) on wet concrete 1.586 )× m/s² (c) on ice, assuming that p, =…

Q: A Fahrenheit and a Celsius thermometer are both immersed in a fluid. a) If the two numerical…

Q: I5 a. Materials science and engineering is a discipline that deals with all kinds of materials and…

A: (a)The materials science is based on the principle of materials tetrahedron. The 4 vertices of…

Q: A Fahrenheit and a Celsius thermometer are both immersed in a fluid. a) If the two numerical…

A: Answer: a) T = 233 K b) T = 433 K

Q: A runner weighs 663 N and 71% of this weight is water. (a) How many moles of water are in the…

A: weight of runner (w) = 663 N percentage of weight comprised of water = 71 %

Q: Estimate the thickness of the Earth's atmosphere. From your chemistry class, you know that the most…

A: speed (v) = 700 m/s Let the thickness of atmosphere = d

Q: B. Work on the following problems. Indicate first under which case it belongs to and then solve…

Q: Part (a) The container is taken from sea level, where the pressure of air is P = 1.01 x 10 Pa, to a…

Q: (a) Calculate the approximate number of atoms in a single sheet of 0.01 lb paper. Note that a single…

A: (a) The mass of the sheet in the in kg is:

Concept explainers

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

For a substance with a diffusion coefficient (D) of 1 x 10E-5 cm2.s-1, what is the diffusion time along a path of 1
micrometer (um), a distance that is roughly the length of a bacterial cell? (Remember that x2 = 2Dt.)
A. 5 ms
B. 50 ms
C. 0.5 ms
D. 500 ms
O E. 500 s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

(a) What is the order of magnitude of the number of micro organisms in the human intestinal tract? A typical bacterial length scale is 106 m. Estimate the intestinal volume and assume 1% of it is occupied by bacteria. (b) Does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? What functions could they serve?
(a) Find the average time required for an oxygen molecule to diffuse through a 0.200-mm-thick tear layer on the cornea. (b) How much time is required to diffuse 0.500 cm3 of oxygen to the cornea if its surface area is 1.00 cm2?
(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. (b) Making the same assumption, how many cells are there in a human?
Five bicyclists are riding at the following speeds: 5.4 m/s, 5.7 m/s, 5.8 m/s, 6.0 m/s, and 6.5 m/s. (a) What is their average speed? (b) What is their rms speed?
The average life expectancy in Japan is 81 years. What is this time in SI units?
(a) Suppose that a person has an average heart rate of 72.0 beats/mm. How many beats does he or she have in 2.0 years? (b) In 2.00 years? (c) In 2.000 years?
A food coloring has a diffusion constant in water of 10 x 10–10 m2/s. A difference of food coloring concentration of 20 g/m3 is maintained between the ends of a cylinder with a cross-sectional area of 5 cm2 and a length of 8 cm. How much mass of food coloring diffuses though the cylinder in 20 minutes? A.1.5 x 10-10 kg B.1.5 x 10-8 kg C.1.5 x 10-6 kg D.1.5 x 10-4 kg E.1.5 x 10-2 kg
The small capillaries in the lungs are in close contact with the alveoli. A red blood cell takes up oxygen during the 0.5 s that it squeezes through a capillary at the surface of an alveolus. What is the diffusion time for oxygen across the 1-μm -thick membrane separating air from blood? Assume that the diffusion coefficient for oxygen in tissue is 2×10^−11 m2/s. Give your answer to 1 significant figure.
Consider an ideal gas with an absolute temperature of ?1.T1. To what temperature would the gas need to be heated to double its pressure? Express the answer in terms of ?1.T1. ?2= Consider an ideal gas with a volume of ?1.V1. To what volume would the gas need to be compressed to double its pressure? Express the answer in terms of ?1.V1. ?2=V2=
Consider the equation a=6πb/q√17 relating the variables a, b and q. If a scientist does an expirment in which b is held constant, q is varied, and a is measured. A. What specifically about the graph would confirm the relationship? B. What is the theoritical slope of the line on the graph?
Part A Estimate the time needed for a glycine molecule (see Table 13-4 in the textbook) to diffuse a distance of 20 um in water at 20 "Cirts concentration varies over that distance from 1.05 mol/m' to 0.42 mol/m Express your answer to two significant figures and include the appropriate units. HA 312 S Submit Previous Answers ReguestAnswer
A. Calculate the time required for molecules to diffuse in a liquid a distance of 10^(−3) cm. Assume that the average velocity of the molecules is 10^4 cm/sec and that the mean free path is 10^(−8) cm. a. 10 s b. 0.1 s c. 0.01 s d. 100 s B. Repeat the calculation for the time of diffusion in letter A in a gas at 1 atm pressure, where the mean free path is 10^(−5) cm. a. 0.00001 s b. 0.001 s c. 0.01 s d. 0.0000001 s