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472 Questions about chemistry
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Q:

Did HDCH chemistry properly prepare you for the ...

Did HDCH chemistry properly prepare you for the school you attended?
Submitted by Leon Hordyk   2 years ago.
  • 0 answers
  • viewed 167 times
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Q:

Chemistry Question

Is 2% stabilized chlorine dioxide effective as a disinfectant without mixing it with activating crystals? The crystals are no ...
Submitted by Prof   1 year ago.
  • 1 answer
  • viewed 82 times
Last answer posted 3 months ago by neesee


Q:

How can I make great-tasting, low-calorie, grape ...

How can I make great-tasting, low-calorie, grape-flavored water at home?
Submitted by yorkie   1 year ago.
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  • viewed 28 times
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Q:

What property determines the nature of the ...

What property determines the nature of the electromagnetic waves of X-rays, microwaves, and television?
Submitted by Chris   7 months ago.
  • 1 answer
  • viewed 71 times
Last answer posted 7 months ago by honey


Q:

What is the functional group of an alcohol and ...

what is the functional group of an alcohol and phenol
Submitted by mirasol w   9 months ago.
  • 1 answer
  • viewed 87 times
Last answer posted 1 month ago by M.A. Rajagopal


Q:

Organometallic chemistry, electron counting

How many electrons does a dmpe ligand donate to a metal center, and what is it's anionic charge?
Submitted by corey weber   1 year ago.
  • 0 answers
  • viewed 86 times
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Q:

Chemistry 2

If the mole fraction of methyl alcohol in a solution(with only water) is 0.28, what is the mole fraction of the water?
Submitted by Peaches35772   2 years ago.
  • 2 answers
  • viewed 498 times
Last answer posted 9 months ago by Shoeb khan


Q:

1 g of hydrogen will react with 19 g of fluorine ...

1 g of hydrogen will react with 19 g of fluorine to form HF. By contrast, 1 g of hydrogen will react with 80 g of bromine to form ...
Submitted by slylilfox3   2 years ago.
  • 1 answer
  • viewed 1513 times
Last answer posted 2 years ago by OronD


Q:

is NH4Cl soluble at all temps, and if not ...

is NH4Cl soluble at all temps, and if not exolain based on enthalpy and entropy changes
Submitted by dster   2 years ago.
  • 0 answers
  • viewed 443 times
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Q:

What is the density and melting point of FeCl3?

what is the density and melting point of FeCl3?
Submitted by blazintamales   2 years ago.
  • 2 answers
  • viewed 2613 times
Last answer posted 9 months ago by Shoeb khan


Q:

Kerosene

How can I estimate the olefin content in kerosene having ~4% olefin and ~22% aromatic?
Submitted by MIN   2 years ago.
  • 0 answers
  • viewed 100 times
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Q:

Equation:ethanol (C2H6O) + 3O2 --> 2CO2 + 3H2O So ...

Equation:ethanol (C2H6O) + 3O2 --> 2CO2 + 3H2O So how do you get 90.1 g of water (H2O) when 3.00 mol ethanol and 5.00 mol O2 ...
Submitted by amatics   1 year ago.
  • 0 answers
  • viewed 686 times
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Q:

A radio station uses a 99.5mHz calculate the ...

a radio station uses a 99.5mHz calculate the wavelength of the corresponding radial waves
Submitted by chris   1 year ago.
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  • viewed 186 times
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Q:

Elements in the noble gases tend to be A. very ...

Elements in the noble gases tend to be A. very reactive B. stable C. strong D. Heavy
Submitted by Iron Man   1 year ago.
  • 0 answers
  • viewed 65 times
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Q:

Chemistry Help

what is the standard molar enthalpy of formation for sodium aluminate(NaAlO2)in KJ mol-1?
Submitted by chemstudent   1 year ago.
  • 0 answers
  • viewed 77 times
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Q:

Electrolytes

Which of the following compounds in the liquid phase can be considered an electrolyte? H 2 O (distilled water) CO 2 (carbon ...
Submitted by mamagrl784   1 year ago.
  • 2 answers
  • viewed 483 times
Last answer posted 1 year ago by Rocmike3


Q:

Identify unbalanced reactions as precipitation, acid-based or oxidation-reduction

Is K2SO4(aq) Ba(NO3)2(aq)=BaSO4(s) KNO3(aq) a precipitation, acid Base, or oxidation-reduction
Submitted by shelley   1 year ago.
  • 1 answer
  • viewed 348 times
Last answer posted 1 year ago by southern7162


Q:

Need help URGENT!

what is the significance of wave motion
Submitted by mee   1 year ago.
  • 0 answers
  • viewed 31 times
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Q:

What is the difference between partially ...

What is the difference between partially hydrolyzed protein and completely hydrolyzed protein in shampoo?
Submitted by nrskim   1 year ago.
  • 1 answer
  • viewed 134 times
Last answer posted 1 year ago by Rocmike3


Q:

Copper Analysis

Copper Analysis by Spectroscopy? Weight of copper standard.... .2751g Dissolve it in a slight excess of concentrated nitric ...
Submitted by Christina   1 year ago.
  • 0 answers
  • viewed 114 times
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