Calculate the energy required for the process.
`He^+ (g) rarr He^(2+) (g) + e^-`
The ionization energy for the H atom in the ground state is `2.18 xx 10^-18` J atom-1

For the process, H_2O(l) rarr H_2O_((g)) at 100^@C, DeltaS is

The minimum energy required to excite a hydrogen atom from its ground state

Calculate the number of atoms in each of the following 52 g of He

Calculate the number of atoms in 52 g of Helium (He)

Calculate the energy of a photon of frequency 6.2 xx.10^14 Hz .

State whether DeltaS is positive, negative or zero for the reaction 2H_(g) rarr H_(2(g)) . explain.

The electron in hydrogen atom is given by E_n = (-2.18 xx 10^-18)//n^2 J . Calculate the energy required to remove an electron completely from the n = 2 orbit. What is the longest wavelength of light in cm that can be used to cause this transition?

State whether DeltaS is positive, negative or zero for the reaction 2H(g)rarr H_2(g) . Explain.

Calculate the energy released in the nuclear reaction "_3 ^7 Li+p rarr 2 alpha given mass of "_3 ^7 Li atom and of helium atom to be 7.016u and 4.0026u respectively.

Calculate the energy released in the nuclear reaction "_3^7 Li + P rarr 2alpha given mass of "_3^7Li atom and helium atom are 7.016u and 4.0026u respectively.