Answer: A photon of energy was released.
Explanation: The energy of the orbitals keep on increasing as the size of the orbitals keep on increasing or the value of n keeps on increasing.
The electrons absorb energy when they are irradiated or put at high temperatures and move to higher energy states. The electrons then get back to their ground state by releasing energy in the form of radiations. Thus when an electron move from n = 2 to shell n = 1, the absorbed energy is given off in form of photons of energy.
Energy is released or absorbed in the form of discrete packets of energy called as photons.
Answer:
Answer: A. 3 mol 3 mol Al:
Explanation:
Te given balanced chemical equation is :
According to the stochiometry :
A: 3 mol 3 mol Al:
3 moles of chlorine reacts with 2 moles of aluminium
B. 2 mol 3 mol :
2 moles of aluminium reacts with 3 moles of chlorine
C. 2 mol 2 mol Al
2 mol of aluminium produces 2 mol of
D. 3 mol 2 mol
3 moles of chlorine produces with 2 moles of
Thus the conversion factor not used for mole to mole calculations is 3 mol 3 mol Al:
Explanation:
Answer:
false
Explanation:
Elements cannot be broken down into a simpler substance.
Answer: The concentration of given phosphoric acid solution is 0.357 M.
Explanation:
Given: = 25.00 mL,
= 35.77 mL, = 0.250 M
Formula used to calculate the concentration of phosphoric acid is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that concentration of given phosphoric acid solution is 0.357 M.