How many atoms would germanium contain

Assignment Help Chemistry
Reference no: EM13126769

The density of germanium is 5.325 g/cm^3 . If you made a 4 nm quantum dot of germanium, how many atoms would it contain? Assume the dot is spherical.

Reference no: EM13126769

Questions Cloud

What is the final temperature of the mixture : if you have 430.00 ml of water at 25.00 degrees celcius.and add 100 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
Illustrate what equation do you use to solve : Repair to office file cabinet lock, $40 (miscellaneous administrative expense). Illustrate what equation do you use to solve for the answers?
What mass of calcium metal could be obtained : What mass of calcium metal could be obtained from one kg of limestone that is 50.0% pure CaCO3?
Net accounting income and distributable net income : A trust has net accounting income and distributable net income (DNI) of $60,000, all from taxable sources. The trustee is required to distribute $40,000 of current income to Harry.
How many atoms would germanium contain : The density of germanium is 5.325 g/cm^3 . If you made a 4 nm quantum dot of germanium, how many atoms would it contain? Assume the dot is spherical.
Types of research using t statistic and z-score : Discuss how a t Test can be employed in hypothesis testing by the use of directional vs. nondirectional hypotheses. Discuss types of research where using the t statistic may be an appropriate alternative to using a z-score.
What is the percentage yield of this reaction : when 9.00 g of Al react with an excess of H3PO4, 30.0 g of AlPO4 are prodecued. What is the percentage yield of this reaction?
Determination of beneficiarys income : Determination of Beneficiary's Income. A trust is authorized to make discretionary distributions of income and principal to its two beneficiaries, Roy and Sandy.
Calculate the fraction of methyl isonitrile molecules : the activation energy for the isomerization of methyl isonitrile is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 500 K.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of al3+ are in the new solution

When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.

  What is the equilibrium composition of the mixture

the equilibrium contant kc=49 at 230^0C, for the reaction PCl3 + Cl2= PCL5. If 0.50mol of each of phosphorus trichloride and chlorine are added to a 5.0L reaction vessel.

  What mass of nan3 must be used

Car air bags operate by the explosive reaction of NaN3: 2NaN ( ) 2Na( ) 3N ( ) 3 2 s s + g

  Calculate the final temperature of the solution

Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost

  Compute the change in temperature

An ice cube of 15.1 grams is placed into 304 grams of H 2 O. compute the change in temperature in the H 2 O upon completing melting of the ice.

  Calculate the half life of the reaction

N and H undergo a combination reaction under appropriate conditions, to yield ammonia: N2 (g) +3H2 (g) →2NH3 (g), determine how much sample of N2 in grams requires 3.0 g of H2 for complete reaction.

  Explain the physical properties of molecule

It is important to know if a particular molecule is composed of elements with different electronegativities as well as the structure of the particular molecule to explain the physical properties of the molecule.

  How much potassium nitrate remains in solution

A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.

  Calculate the kinetic energy of the metal

The wavelength corresponding to the threshold frequency to tungsten surface is 230nm. Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.

  Noble gas compounds in nature

There are very few compounds that contain an element from the noble gas family (elements in column 18, rightmost column). Explain why there are so few noble gas compounds in nature.

  What time will it take chlorine gas to effuse

What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.

  Determining de broglie wavelength

We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,

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