The difference between Cracking and Pyrolysis in the former is the process of whereby complex organic molecules such as kerogen or long chain hydrocarbon are broken into a simpler molecule while the later is a thermochemical decomposition of organic material at elevated temperature in the absence of oxygen.
Yes I absolutely do! Seeing how NASA spent many years doing research to see if Mars was inhabitantable for life it has water! And scientists have theories that they're possibly could be a planet just like earth someone where put in the universe
I think the answer is Yes, because the Gas could goes to their respiratory system and the explosion could cause a fire. You have to take precaution next time the students will have a laboratory and should wear proper attire or uniform for safety
Answer:
Physical properties are involved when ice melts to form water and that water boils to form steam
Explanation:
This is because there in no chemical reaction taking place, just a physical change.
A physical change in a change in which the chemical structure of the substance does not change. Ice, water and steam are all the same on a molecular level, thus changing from ice to water or from water to steam are physical changes.
Answer is option B
Addictive and always Agn02
