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babunello [35]
2 years ago
6

Hook GC lsshvrrjvdjscavsbsgd​

Chemistry
1 answer:
Tema [17]2 years ago
6 0

Answer:

I have no idea what that issss

Explanation:

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In a rocket motor fueled with butane, how many kg of liquid oxygen should be provided with each kilogram of butane to provide fo
Travka [436]
<u>Answer</u>

So this is the reaction that happens. 
<span>C4H10 + O2 = CO2 + H2O </span>

<span>Balanced, it is </span>
<span>2C4H10 + 8O2 = 8CO2 + 10H2O </span>

<span>Given 1 kg or 1000 g of butane, use stoichiometry aka factor labeling aka conversions and mole ratios to get to grams of oxygen. </span>

<span>I'll do an example. Let's form water. Hydrogen is diatomic too. </span>
<span>2H2 + O2 = 2H2O </span>

<span>Given 1000 g of Hydrogen, I need to know how many grams of oxygen to use. To convert grams to moles,
I know that 1 mol of H2 equals 2.02 g. Then, for every mole of O2, there are 2 moles of H2. Then converting moles of O2 to grams, I know that one mole of it equals 32 grams. </span>
<span>[1000 g H2] x [1 mol H2/2.02 g H2] x [1 mol O2/2 mol H2] x [32 g O2/1 mol O2] </span>

<span>My answer would be  7.9 kg </span>
3 0
3 years ago
Convert 205 L to ul.
Sloan [31]

Answer: 205000000 microliter

Hope this helps!

8 0
3 years ago
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Which of the following types of radiation can be shielded by piece of paper or fabric
Keith_Richards [23]
There are 3 major types of radiation. The Alpha, Beta and Gamma radiation. It is the Alpha radiation that can be stopped by a piece of paper or fabric. Beta on the other hand can be stopped by plastic or a thin sheet of metal and Gamma by a piece of aluminum foil or lead. 
8 0
3 years ago
PLEASE HELP ME ASAP URGENT IM STRESSED AND STUCK
Genrish500 [490]
Is there any more info lol
But from thinking I got A=DH^2*BC
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2 years ago
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Bezzdna [24]
A. I think sorry if it’s wrong
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