1 the mass of an electron is 911times 10-31rm kg if the de, Ask an Expert

Academics

1) The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10^8 ~\rm m/s.

2) The mass of a golf ball is 45.9g . If it leaves the tee with a speed of 75.0m/s , what is its corresponding wavelength?

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9875318

Have any Question?Write your Review or question?

Related Questions in Chemistry

What roman numeral is required in the name of the following

What roman numeral is required in the name of the following compound? Ag2SO4 What roman numeral is required in the name of the following compound? CuCO3 What roman numeral is required in the name of the following compoun ...

A compound contains only carbon hydrogen and oxygen

A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 15.48 mg CO2 and 7.39 mg H2O. The molar mass of the compound is 182.2 g/mol. What are the empirical and molecular formu ...

The heat fusion of pure silicon is 434 kjmol how much

The heat fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a 5.24 - g sample of silicon at its melting point of 1693 K?

What wavelength of light nm is required to eject an

What wavelength of light (nm) is required to eject an electron with a speed of 2.0 x 10 6 m/s from a metal with a threshold energy of 3.4 x 10 -18 J?

Insoluble pbbr2snbspnbspprecipitates when solutions of

Insoluble PbBr2(s) precipitates when solutions of Pb(NO3)2(aq) and NaBr(aq) are mixed. Pb(NO3)2(aq) + 2NaBr(aq) ---> PbBr2(s) + 2NaNO3(aq) ΔrH = ? To measure the enthalpy change, 350. mL of 0.50 M Pb(NO3)2(aq) and 350. ...

Label each of the following phase changes as either

Label each of the following phase changes as either exothermic or endothermic. i. H 2 O( s ) + heat H 2 O( l ) (1 point) ii. H 2 O( g ) H 2 O( l ) + heat (1 point)

How many moles of magnesium ion are present in 525g

How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?

A dessert contains 13155nbspg of vanilla ice cream 90g of

A dessert contains 131.55 g of vanilla ice cream, 90g of fudge sauce, and 40.0 g of nuts. What is the total weight, in pounds, of the dessert?

A chemist addsnbsp750 ml of anbsp192mnbspnickelii

A chemist adds 75.0 mL of a 1.92 M nickel(II) chloride (NiCl2) solution to a reaction flask. Calculate the millimoles of nickel(II) chloride the chemist has added to the flask. Round your answer to 3 significant digits.

How many grams of nitrogen are found in 500 grams of

How many grams of nitrogen are found in 50.0 grams of potassium nitrate?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert