Approximately how many atoms would it take to make the

Assignment Help Chemistry
Reference no: EM13385758

The diameter of a neutral helium atom is about 171 pm. Suppose we could line up helium atoms side by side in contact with one another. Approximately how many atoms would it take to make the distance 1 cm from end to end. Round to the nearest whole number, do not include units or commas. do not use scientific notation.

Reference no: EM13385758

Questions Cloud

Calculate the mass of one atom of helium atomic mass101 amu : calculate the mass of one atom of helium atomic mass1.01 amu. calculate the wavelength of this atom if it is traveling
A certain mass of oxygen was collected over water when : a certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. the volume of the
Cas cl2g cacl2s deltah -796 kj mol-1 what will be the : the reaction between calcium metal and chlorine gas is described by the following thermochemical equation cas cl2g
Determine the lime and soda ash dose in mgl as caco3 to : determine the lime and soda ash dose in mgl as caco3 to soften the following water to a final hardness of less than
Approximately how many atoms would it take to make the : the diameter of a neutral helium atom is about 171 pm. suppose we could line up helium atoms side by side in contact
Trigen corp management will invest cash flows of 1039626 : trigen corp. management will invest cash flows of 1039626 326251 905760 818400 1239644 and 1617848 in research and
At the start of the reaction there are 0714 mole of h2 0984 : the equilibrium constant kc for the reaction shown below is 54.3 at 430degc.nbsph2g i2g reverse reaction arrow 2 higat
Ch8g5o2g gt 3co2g4h2g og in the combustion of 250g of : c3h8g5o2g gt 3co2g4h2g og in the combustion of 250g of propane with an excess of hydrogen what volume of carbon
The crystal structure of lithium sulfide li2s is pictured : the crystal structure of lithium sulfide li2s is pictured here. the edge length of the unit cell is 5.88102pm. what is

Reviews

Write a Review

Chemistry Questions & Answers

  Explain diagram to rationalize the stability

Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.

  Which of these ionic solids would have the largest lattice

which of these ionic solids would have the largest lattice energy?a. naclb. nafc. cabr2d. csie.

  What mass of sucrose should be combined

What mass of sucrose should be combined with 455 g of water to make a solution with an osmotic pressure of 8.75 atm at 320 K?

  What is the final temperature of the aluminum block

A.E. Dyer supplied 45.9 cal of heat energy to a 156-g piece of aluminum block that was kept at 28 degree C. What is the final temperature of the aluminum block?

  Compute keq for the reaction at temperature

When 0.0200 mol gaseous NH3 and 0.0180 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20Ã-10-3 M. Calculate Keq for the reaction at this temperature.

  Explain sodium hypochlorite is a common ingredient

Sodium hypochlorite is a common ingredient in household bleach. What is the pH of this bleach if it contains 5% NaOCl by mass? (pKa of HOCl = 7.46)

  Define how many grams of calcium hydroxide

If 37.5 mL of 0.274 M HCl solution is needed to neutralize an aqueous solution of calcium hydroxide, how manygrams of calcium hydroxide must be in the solution prior to the initiation of the titration experiment

  Explain what is the rate of change in the concentration of

Consider the combustion of ethylene, . If the concentration of is decreasing at the rate of 4.2×10?2 , what is the rate of change in the concentration of

  Define hi(aq) required to reach the equivalence point

The volume of HI(aq) required to reach the equivalence point : (1c) The pH at the half-neutralization point. (1d)The pH at the equivalence point.

  Define what is the component concentraion ratio

What is the [H3O+] and the pH of a buffer that consists of 0.21 M HNO2 and 0.57 M KNO2? (Ka of HNO2 = 7.1*10^-4) Define What is the component concentraion ratio

  How to calculate the change in molar entropy

Calculate the change in molar entropy when 2.00 miles of ozone are compressed isothermally to one quarter of its original volume. Treat ozone as an ideal gas.

  It is given that the bond length of hi 161pmnbspcompute the

it is given that the bond length of hi 161pm.nbspcompute the moment of inertia of the molecule in kg m2. and also

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd