Free Energy Question
Hi,
Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and oxygen, another method is the reaction between ...
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Outlook question help and information.
11:33 PM
dilute of HNO3
Hello guys
Please excused my english skills. I am from germany.
Currently I try to dilute or better create a 0,1 mol/l HNO3 acid. My parent substanc ...
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Precipitate with Si
Elemental silicon is oxidized by O2 to give a compound
which dissolves in molten Na2CO3. When this solution is
treated with aqueous hydrochloric acid, ...
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Why do different isomers have a different enthalpy of combustion?
I did an experiment in class and found that different isomers gave me different enthalpies of combustion. Why is this? I used Butan-1-ol, Butan-2-ol, ...
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Conetration/Percent by mass
A solution is mad containing 22.8g of magnesium nitrate per 325g of water.
What is the weight/weight % or percent by mass of the solute?
I have trie ...
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Chemical Equilibrium: Position Shifts and Concentration Changes
Hi there,
My questions are in relation to the following system:
NaOH(s) <> Na (aq) + OH (aq) + energy
When NaCl (or just Na) is added:
i) Do ...
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Help Please! Redox Reactions!
Quickly wondering
What is oxidized and what is reduced as well as how many electrons are gained/lost by the elements in this redox reaction?
2H2 + O2 ...
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Homework Help
I need help with a problem. it is due tonight at 10pm. please *delete me* I really don't know what to do.
How many grams of sucrose (C12H22O11) must b ...
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Equilibrium and other calculations
Need help with two question please. If they can be done before 7 pm (CST) on March 1 2017...pleasee
1.What is the concentration of Fe3+ (after mixing ...
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Gas Laws Lab
Mass of Mg: .0403g
Room Pressure: 3.021 Hg x 2.45cm/1in x 10mm/1cm
Volume of H2 gas (convert to liters): 63.5 ml--->.635L
Room Temperature: 297.9 ...
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