Explain what is the energy of the photon

Assignment Help Chemistry
Reference no: EM13668061

Explain what is the energy of the photon that is emitted when the state of an electron changes from n = 4 to n = 2, in a hydrogen atom? (R =3.29 x 1015 Hz)

Reference no: EM13668061

Questions Cloud

Estimate the electric potential inside the sphere : A thin, uniformly charged spherical shell has a potential of 544 Volt on its surface. Estimate the electric potential inside the sphere at a radius of 3.0 cm
Determine what is the ball bearing potential : A 3.0 millimeter diameter ball bearing has 3.0 × 109 excess electrons. Determine what is the ball bearing potential
Explain what is the change in its internal energy in kj : If a gas sample absorbs 89 kJ of heat as well as does 120 jJ of work, Explain what is the change in its internal energy in kJ
Find what average speed must be maintained for the last lap : A race vehicle driver must average 204.0 km/hover the course of a time trial lasting ten laps. find what average speed must be maintained for the last lap
Explain what is the energy of the photon : Explain what is the energy of the photon that is emitted when the state of an electron changes from n = 4 to n = 2, in a hydrogen atom. (R =3.29 x 1015 Hz)
Determine what force must support the end : A uniform beam of mass 10 kilogram is supported only at its ends. A workman stands on the beam, one quarter of the way from one end. Determine what force must support the end
Explain what is the identity of the unknown metal : A cube of unknown metal measures 1.8 in by 0.60in by 1.2 in and has a mass of 56.67. Explain what is the identity of the unknown metal
Find what is the speeder speed with respect to the ground : A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Compute the speeder speed with respect to the ground
Find at what angle away from north does the compass needle : A horizontal compass is located 21.4 centimeter due south from a straight vertical wire carrying a 31.3 Amp current downward. Find at what angle away from north does the compass needle point

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the molarity of a solution

Determine the molarity of a solution that is formed by dissolving 21.0 g of CaF2 in a flask and adding water to make 446.2 mL of solution

  Explain elimination and substitution reactions

Is the ethoxide anion considered a strong base in elimination and substitution reactions. Could you please explain your answer

  Explain what is the average atomic mass of magnesium

The element magnesium has 3 isotopes with the masses and natural abundances shown in the table. Mass of Isotope Natural abundance 23.98504 78.99 24.98584 10.00 25.98259 11.01 What is the average atomic mass of magnesium

  How to calculate the number of moles of koh

Calculate the number of moles of KOH in 9.10mL of a 0.140M KOH solution? What is the pOH of the solution at 25 C

  Explain the solution was treated with h2s gas

A solution may contain the following ions Ag+, Cu2+, Cd2+, Mn2+, Ni2+ and Na+. A white precipitate formed when 0.10 M NaCl was added and after this was removed the solution was treated with H2S gas under acidic conditions and no precipitate formed..

  State the use of phenols such as tert-butylcatechol

The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals

  Aif each sphere represents 10 x 10-3 mol of ion will the

flask a 25 ml 8 oh- ions and 4 ca 2 ionsflask b 25 ml 6 h ions and 6 cl- ionsa if each sphere represents 1.0 x 10-3 mol

  State wavelength of the fundamental n-h stretching vibration

The wavelength of the fundamental N-H stretching vibration is aobut 1.5 µm. What is the approximate wavenumber and wavelength of the first overtone band for the N-H stretch

  Explain coffee-cup calorimeter of negligible heat capacity

To determine the enthalpy change for this reaction, 0.158 g of Mg metal is combined with enough HCl to make 100.0 mL of solution in a coffee-cup calorimeter of negligible heat capacity.

  Explain the theoretical yield of acetylsalicylic acid

2.00 g of salicylic acid (molar mass = 138.1 g/mol) reacts with an excess amount of acetic anhydride. A) calculate the theoretical yield of acetylsalicylic acid (molar mass = 180.2 g/mol) for this synthesis.

  Explain what is the bond order of the c22- ion

Calcium carbide is an intermediate in the manufacture of acetylene. (Calcium carbide was also used for years in mining lamps.) Its chemical formula is CaC2. What is the bond order of the C22- ion

  For each of the given combinations of reactants decide

at high temperatures and pressures nitrogen will react with hydrogen to produce ammonia as shown by the equationn2g

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