an increase in the temperature of the hydrogen peroxide increases the rate of the reaction. use your knowledge of particles to explain why.

Yes i think so not 100 percent sure though

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

The air is going to come out because of the low pressure.