Question: Given the atomic radius of helium, 0.32 , and knowing that a sphere has a volume of 4r3/3, calculate the fraction of space that He

Given the atomic radius of helium, 0.32 Å, and knowing that a sphere has a volume of 4πr3/3, calculate the fraction of space that He atoms occupy in a sample of helium at STP.

Step by Step Solution

★★★★★

3.49 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To calculate the fraction of space that helium atoms occupy in a sample at standard temperature and ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

10 mol/s of gas flow through a turbine. Find the change in enthalpy that the gas experiences: A. The gas is steam, with an inlet temperature and pressure T = 600C and P = 10 bar, and an outlet...

The atomic radius of an oxygen atom is 73 pm, and the ionic radius of the ion O 2 is 140 pm. Explain the relative radii by estimating Zeff for each of these species.

The atomic radius of K is 227 pm and that of K+ is 133 pm. Calculate the percent decrease in volume that occurs when K(g) is converted to K+(g). [The volume of a sphere is (4/3) r3, where r is the...

The atomic radius of F is 72 pm and that of F- is 133 pm. Calculate the percent increase in volume that occurs when F(g) is converted to F-(g) . (See Problem 8.98 for the volume of a sphere.)

1) A body-centered cubic lattice has a lattice constant of 4.83 . A plane cutting the lattice has intercepts of 9.66 , 19.32 , and 14.49 along the three cartesian coordinates. What are the Miller...

Part A Crystal packing and density Problem 1. Sketch the bcc unit cell. Consider atoms as hard spheres in contact with each other. Show that the lattice parameter, a, and the atomic radius, satisfy:...

Learning Objectives After studying this chapter you should be able to do the following: Describe the difference in atomic / molecular structure between crystalline and noncrystalline materials. Draw...

Introduction Your task for this assignment is to build a command-line spell-checking program. You may be more familiar with spell checking as a feature inside an editor, but what you will build is a...

Question 6 (1.5 points) Suppose a company has the principle that at most 5% of products in a batch are defectives. Figure 2 is an ideal operating characteristic (OC) curve, which means if up to 5%...

1. The following equation represents the volume of a box created from a sheet of paper that is 8 in x 11 in after congruent squares are cut from each corner: V = (8 -2x) (11 -2x) (2) Given that 'x'...

1. [5 pts] You are characterizing a new polymer, and found that your sample is composed of the following fractions given in the table. Calculate "# and "$ for this sample. Number of moles 1.2 3.6...

Problem 1 (40%) Find the number of dies per 300 mm wafer for die size of: (a) 1.5 cm on a side. (b) 1.0 cm on a side. A defect density of 0.047 per cm and N is 8. Find the die yields for dies that...

If s2t + t3 = 1, find ds/dt and dt/ds.

What is the role of the Public Company Accounting Oversight Board ( PCAOB ) as established by the Sarbanes - Oxley Act? Group of answer choices To oversee the audit of public companies and set...

Q1) Is Flipkarts decision to become marketplace the right decision? Discuss. Q2) Which services provided by TMall were the most crucial for Karz? How did the change in policies create challenges for...

A positron with kinetic energy 1 MeV and an electron with kinetic energy 1MEV meet each other moving in opposite directions. They annihilate each other by emitting two photons. If the rest mass...

The demand function for indoor plant pots is given by the equation P=1600-4Q where P is the price and Q is the quantity. The average cost of producing one indoor plant pot is AC=300/Q+20 (1)Write...

Discuss the outcomes of the emotional intelligence by specifically addressing how they reflect, define, and assess personality and how personality, emotional intelligence. How do you inform the...

Tourism is important to economies because of Group of answer choices Pride None of these Job and Taxes Location

Given Values Atomic Radius (nm) = 0.105 FCC Metal = Calcium BCC Metal: = Cesium Temperature ( C ) = 1437 Metal A = Copper Equilibrium Number of Vacancies (m -3 ) = 6.33E+23 Temperature for Metal A(C)...

11. What is "Atomic Packing Factor (APF)" for Face Centered Cubic (FCC) unit cell? 0.52 0.68 0.72 0.74 12. What is the definition of Polycrystalline? * Solids that consist of many small crystals (the...

The unit cell edge of a substance ( 1 monatomic cation: 1 monatomic anion ) having a crystal lattice identical to that of sodium chloride has a length of 5 6 4 . 9 p m . The cation of the substance...

( 2 5 % ) Q 3 . Pure Ti undergoes following phase transformations. - T i ( h c p ) T a l p h a , b e t a = 1 1 5 8 K - T i ( b c c ) T m = 1 9 4 0 K Liquid a ) Suppose that nuclei formed during...

The variation of the atomic properties Purpose; To use the data collection, to build graphs of the variation of a property against the atomic number. 1) Graphing atomic radius In this exercise you...

Could you guys please check to see if the answers for all the multiple-choice questions below are correct? If you find any questions with the wrong answers, please help me choose the correct answers...