What does below chemistry rebus means?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you name four days which start with the letter 'T'?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?