| Here are the questions in Chemistry » General Chemistry. Go get 'em! 1-20 of 229
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| Bounty | Status | Question |
Due |
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| $20.00 |
Answered |
Lithium Bromide
How to remove impurities in contaminated Lithium Bromide Solution used in Absorption Chillers. Contamination are mostly water softening chemicals used in Cooling Towers and rust etc.
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Feb. 28, 2009 |
| $1.00 |
Answered |
this question is chemistry question
1) Calculate the maximum number of electrons with principal quantum number; a) 1 b) 2 c) 3 d) 4 2) show the permissible values of l and m for; a) n= 1 b) n=2 c n=3
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Jan. 10, 2009 |
| $1.00 |
Unanswered |
this questions is chemistry
1. Draw energy level diagrams for beryllium, magnesium and calcium ions. what is the similarity in theses diagrams? 2. The sodium ion and the neon atom are isoelectonic (have the same electron...
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Jan. 10, 2009 |
| $1.00 |
Unanswered |
Explain how information about an element
Explain how information about an element's physical state at room temperature will help you fill in the partial periodic table.
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Jan. 09, 2009 |
| $1.00 |
Answered |
What should you do if a chemical equatio
What should you do if a chemical equation cannont be balanced?
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Jan. 09, 2009 |
| $1.00 |
Answered |
Three atoms of iron (Fe) are to be combi
Three atoms of iron (Fe) are to be combined with four molecules of oxygen (O2). How many total iron atoms and oxygen molecules will be combined during the formation of Fe3O4?
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Jan. 08, 2009 |
| $1.00 |
Answered |
what are 3 characteristics of acids that are not true of bases?
what are 3 caracteristics of acids that are not true of bases?
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Jan. 08, 2009 |
| $1.00 |
Answered |
copper metal was combined with nickel su
copper metal was combined with nickel sulfate solution . did a reaction take place? how do know? what is the balanced equation?
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Jan. 07, 2009 |
| $2.00 |
Answered |
predictng products of chemical reactions
solutions of ammonium sulfate and sodim carbonatewere combined. did a reaction tae place? how do you know? whayis the balanced equation?
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Jan. 07, 2009 |
| $2.00 |
Answered |
predicting products of chemical reactions
solutions of sodium phosphate ad nickel sulfate combined. did a reaction take place? how do you know? what is the balanced equation?
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Jan. 07, 2009 |
| $2.00 |
Answered |
predicting products of chemical reactions
copper metal burned in oxygen. did a reaction take place? how do you know? what is the balanced equation?
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Jan. 07, 2009 |
| $2.00 |
Answered |
predicting products of chemical reactions
a catalyst, manganese dioxide, was added to hydrogen peroxide. did a reaction take place? how do you know? what is the balanced equation?
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Jan. 07, 2009 |
| $2.00 |
Answered |
predictng products of chemical reactions
zinc metal was combined with copper (11 sulfate solution. did a reaction take place? how do you know? what is the balancd equation?
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Jan. 07, 2009 |
| $1.00 |
Unanswered |
copper metal was combined with nickel su
copper metal was combined with nickel sulfate solution . did a reaction take place? how do know? what is the balanced equation?
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Jan. 07, 2009 |
| $1.00 |
Answered |
copper metal was combined with nickel su
copper metal was combined with nickel sulfate solution . did a reaction take place? how do know? what is the balanced equation?
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Jan. 07, 2009 |
| $4.00 |
Answered |
Science Fair
How does density affect the creation of a rainbow? I need help with a science fair project(scientific method)
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Jan. 07, 2009 |
| $1.00 |
Answered |
omg....help
1. What does mg mean in the periodic table
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Jan. 06, 2009 |
| $1.00 |
Answered |
chemical properties of hafnium?
chemical properties of hafnium?
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Jan. 04, 2009 |
| $0.50 |
Answered |
list both empiricial and theoretical dif
list both empiricial and theoretical differences between strong and weak bases
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Jan. 03, 2009 |
| $1.00 |
Answered |
"Ammonia (NH3) is widely used as a ferti
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 4.45 mol of hydrogen gas react with an excess of nitrogen gas? Answer in units of mol.Hel...
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Jan. 03, 2009 |
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