Purchase Solution

Three quantum numbers used to describe orbitals in atoms

Not what you're looking for?

Ask Custom Question

1. What is the name of each of the three quantum numbers used to describe orbitals in atoms? what orbital characteristics does each quantum number describe? what are the limitations on the values of these quantum numbers?
2. 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 10^15 Hz)
3. In a combustion analysis, 2.00mg of vitamin C yielded 3.00 mg of CO2 and 0.816mg of H2O. From mass spectrometry it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecular formula.
4. How many mililitres of 0.480 M NaOH would be required to titrate a 5.00 ml solution of 0.320 M H2SO4?
5. If a gas sample absorbs 89kj of heat and does 120kj of work, what is the change in its internal energy?
6. If the standard enthalpy of formation of methanol CH3OH is -238.6 kj/mol, and CO2(g)= -394 kj/mol, and H2O(l)= -286kj/mol calculate the standard heat of combustion of methanol?

Purchase this Solution

Solution Summary

Three quantum numbers used to describe orbitals in atoms are examined.

Solution Preview

Hi there,

Good luck with your studies

1.

There 3 main quantum numbers: n, l and m

n - principal: describes the energy of the orbital
l - angular: describes the directional property of the wavefunction
m - magnetic: describes the orientation of ...

Purchase this Solution


Free BrainMass Quizzes
Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Basic Physics

This quiz will test your knowledge about basic Physics.