H2 () + Cl2 () ⇌ 2HCl() + heat, heat is removed, HCI is added, pressure is decreased, can anyone help?

Stage in which a typical star has completely stopped fusion

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n