Explain the atomic radius of a helium atom

Assignment Help Chemistry
Reference no: EM13222453

the atomic radius of a helium atom is 31 pm. what is the diameter of one helium atom in centimeters?

Reference no: EM13222453

Questions Cloud

Compute the expected value of the random variable : Based on long years of experience, an instructor in the principles of economics has determined that in her class the probability distribution of X, the number of students absent on Mondays, is as follows: X: 0 1 2 3 4 5 6 7F(x)0.005 0.025 0.310 0.3..
Define what is the molar mass of the enzyme : What is the molar mass of the enzyme if the osmotic pressure of the solution at 298K is 0.138 ATM? Note that enzymes are non-electrolytes.
What decisions would be made based on that analysis : what information would be gathered during the analysis and what decisions would be made based on that analysis. Then, explain what requirements are and how they will be used.
What is the optimum combination of ice cream scoops : only consume ice cream and bananas in the form of bananasplits, which i make with 3 scoops of ice cream and one banana. The price of ice cream is $.50 a scoop. Bananas are $.25 each. I have $5 dollars to spend on ice cream sundaes this week.
Explain the atomic radius of a helium atom : the atomic radius of a helium atom is 31 pm. what is the diameter of one helium atom in centimeters?
Identify a quality improvement program in a health care : Identify a quality improvement program in a health care setting of your choice from your readings and/or personal experience. List the components of that program with respect to the Plan, Do, Check, Act cycle.
Explain what a gap analysis : Explain what a "gap analysis" is including how gaps are defined and measured. Be sure to address how gap analysis relates to needs, requirements, design, project scoping, evaluation and evaluation planning.
Explain coal was burned in a tube furnace : A 3.963-g sample of coal was burned in a tube furnace and the liberated SO2 was collected in dilute H2O2, which converts the SO2 to sulfuric acid:
Show the decision-making process : Discuss the considerations that such a committee would likely discuss based on their decision-making process.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the concentration of ammonium ions

A solution is prepared by dissolving 12.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.50 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..

  State an ancient wooden object was found to have a ratio

Using a device similar to a mass spectrometer, a sample of an ancient wooden object was found to have a ratio

  What is the new gas volume

A 35.0ml sample gas is enclosed is in a gas tight syringe at 22 degress celcius. If the syringe is immersed in an ice bath a 0 degress celcius, what is the new gas volume.

  Explain conversion of tert-butyl chloride

Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.

  Explain the specific heats of solid and liquid ethanol

The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)

  Calculate the average bond energy

The standard enthalpies of formation of SO3(g), S(g) and O(g) are -359.7, +278.8 and +249.0 kJ mol-1, respectively. Use these data to calculate the average bond energy (in kJ mol-1) of the S=O double bond.

  State usefulness of the addition of an internal retention

the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram

  What is the mole fraction of nitrogen in this mixture

A 10.9-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 8.88 L when measured at 641.9 mmHg and 28.5oC. What is the mole fraction of nitrogen in this mixture?

  Calculate the difference in pressure

12.0 moles of gas are in a 8.00 L tank at 23.2 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.

  State what is the name of the haemoglobin variant

What is the name of the haemoglobin variant? Would this haemoglobin demonstrate a left or right shift on an  oxygen dissociate curve ? Fully justify your answer.

  What is the partial pressure of he in this container

A 250.0-L cylinder contains 65.0% He(g) and 35.0% Kr(g) by mass at 25.0° C and 1.35 atm total pressure. What is the partial pressure of He in this container?

  Explain important information about molar concentrations

Important information about Molar concentrations, Calculate the molar concentrations, I-, disulfur octaoxide, disulfur trioxide.

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