Questions

Power Point presentation is a collection of Slides and Handouts, Outlines and Speaker’s notes.

Cryogenic Engines find applications in Rocket technology. A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer, that is, its fuel or oxidizer are gases liquefied and stored at very low temperatures. Notably, these engines were one of the main factors of NASA's success in reaching the Moon by the Saturn V rocket.

In H2SO4,

Hydrogen has a charge of +2, with each hydrogen has +1.

Oxygen has  a charge of -8, with each oxugen has -2.

Total charge = (2 - 8) = -6

Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

The letter “c” with a line over it is a medical abbreviation often used by doctors, nurses, and other medical professionals. The symbol looks like this: c̄. The c is almost always lower-case.

This symbol actually has a very simple meaning. A c with a line over it just means “with”. This abbreviation is often used on patient charts and prescriptions, as well as information or notes written by medical professionals.