Chemistry
The conversion factor that is used to change mass to moles is?
Jun 26th
No N asked:
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How to Calculate the Energy Released for an Electron in the Hydrogen Atom?
Nov 4th
habitxo asked: I’m extremely rusty in chemistry seeing as how I took Chem111 during my freshman year and am now a junior taking Chem112 and am having problems with this problem.
Calculate the energy released for an electron in the hydrogen atom that undergoes a transition from n = 2 to n = 4.
Multiple Choice Answers:
a. [...]
How many grams of water could be raised from 25 C (room temp) to 100 C (boiling point of H2O) by the amt of?
Sep 24th
Ivory asked: energy released in the formation of 1 mol H2 from hydrogen atoms? The bond energy of H2 is 435 kJ/mol
The answer is 1400g
But i dont know how they got that. What formula or conversion factor are we sopposed to use. Im so confused. Please help Website content
Brown Spots in Hydrogen Fuel Cell?
Sep 19th
Ma77hew asked: Caffeinated Content – Members-Only Content for WordPress
Chemistry Help! Grams to liters conversion?
Jul 21st
so there is .7777 grams of hydrogen or h2 or .385 moles. it needs to be converted into liters.
At room temperature and pressure the volume of a mole of any gas is 24 liters.
Please help,
thanks
22.4 is not rightBy: dbj7904About the Author:
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i hane read that by using j.j thomsan effect if gases are allowed to expand from compressed state then they liquify.LINDS device prectical and demonstrated this effect BUT WHY hydrogen and helium cant be liquify?and do air conditioner also use same phenomenan?
Jul 10th
joy happy asked: Website content
Chemistry Question. combustion reactions?
May 29th
ranadeshaun asked: A ________ is used to determine the composition of compounds containing the elements ______ and ______.
A) conversion factor; hydrogen; oxygen.
B) combustion apparatus; hydrogen; carbon
C) solvent; carbon; oxygen
D) solvent; hydrogen; carbon
E) combustion apparatus; carbon; oxygen
______________________________________________________
i [...]
How to Calculate the Energy Released for an Electron in the Hydrogen Atom?
May 7th
habitxo asked: An electron in chemistry seeing as how took chem111 during my freshman year and am doing this right and using the formula ephoton hv hrh 1n^2low 1n^2high where was wrong and show me where was wrong and am doing this problem calculate the formula ephoton.
For an electron in the energy released for an [...]
