The balanced chemical reaction would be written as follows:
2Mg + O2 = 2MgO
We are given the amount magnesium to be used in the reaction. This will be the starting point for the calculations. We do as follows:
15.0 g ( 1 mol / 24.31 g ) (2 mol MgO / 2 mol Mg ) (40.31 g / mol ) = 24.87 g MgO formed
Answer:
Learning history is necessary in order not to repeat the mistakes from the past.
Explanation:
Those who don’t learn history are more likely to repeat it. This attitude makes sense and it’s rarely arguable. People who don’t remember the historical facts can easily repeat them. It’s normal because society is very consistent. No matter how far humanity has come, not so many things changed.
This phrase derives from the end of the 19th and the beginning of the 20th century and the founder of it was George Santayana, a Spanish-born American author, philosopher, essayist, poet, and novelist.
Santayana had a big influence on many philosophical thoughts. His quote that those who cannot remember the past more likely to repeat it is still very well known in the society.
The irony of this quote is that since the 20th century until now there is nothing new. Nothing new can happen without it to be connected to the past, progress depends on retentiveness.
“<em>Those who fail to learn from history are doomed to repeat it</em>” means that we have an obligation to save our past in order to keep the present. If we choose selectively what will we remember, it won’t be adequate heritage to future generations.
Not everything can be found on the internet, this technology field is still young. The one who keeps all the information is history.
Answer:
B seems like a good answer, though I'm not sure
Answer:
It can be really stressful to have to defend your decision about college, especially when everyone is going to be asking you about it as you go through your senior year.
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