\" The Martian \". Read the book or watch the movie Then watch this video: https

Question

"The Martian". Read the book or watch the movie Then watch this video: https://www.youtube.com/watch?v=2tfh6OUUYUw

I believe the text of the book is available online. You can read selected sections of the book to answer two of these study questions:

Discuss at least 2 of the following questions in detail:

1.How did he attempt to make water?

2.Why did Watney actually not have to make water this way?

3.Can you calculate the actual force of a Martian windstorm using known Mars atmospheric pressure and wind velocity?

4.Explain how the Mars bases were set up-- what rockets were sent when? How were things speeded up using the Moon?

5.The last scene of the movie (exploding/ hopping rockets) was different from the book and has lots of problems. Can you explain some of the problems? Talk about momentum, velocity, and energy. Use Newton's laws!

Explanation / Answer

ans no 1- In the movie, he made water by taking excess hydrzine from the rocket fuels and using principles of chemestry to cinvert it into water.but it looks easy in the movie but its not in reality, in a rocket engine hydrazine (N2H4) is passed through a catalyst which causes it decompose into ammonia,nitrogen gas, and hydrogen gas which is shown in following reaction:

N2H4 -----> N2 + 2H2

so using this equation watney makes hydrogen and in combination with the oxygen in the hab , he burned the hydrogen and made water,

2H2 + O2 ----> 2H2O

and he never store water , he directly put into soil for the patatoes.

2) in my point of concern watney actully not have to make water this way because this procdure execive methane and in the lab thats not that good for him, as well he was not able to store the water or can not capture so its not a permenant solution he wanted to be alive for the time NASA get in touch with him, and this process was using lots of oxygen to, this looks good on paper but its really hard to do in real.

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