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Recent posts under tag chemistry

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An aqueous solution contains 0.4% urea and 3.42% sugar by mass, calculate the osmotic pressure of solution at 27°C?
posted Apr 22, 2018 by Neel Kamal
  • chemistry
0 votes
0 answers
what is the volume of gas at 0 degree celcius
posted Mar 29, 2018 by Rajan Chauhan
  • chemistry
0 votes
0 answers
please help me
posted Mar 11, 2018 by anonymous
  • chemistry
  • physics
  • general
  • electrochemistry
–1 vote
2 answers
Do water and ice weigh the same?
posted Feb 19, 2018 by Azhar Keer
  • water
  • physics
  • chemistry
  • science
0 votes
0 answers
Check the following image and help me with the electrochemistry question?
posted Feb 9, 2018 by Anks Great
  • electrochemistry
  • physics
  • chemistry
0 votes
0 answers
Why are the nuclei of some atoms unstable?
posted Jan 22, 2018 by Munni Narang
  • chemistry
  • science
0 votes
0 answers
What is the definition of Chemistry?
posted Jan 14, 2018 by Ashutosh Negi
  • definition
  • chemistry
+1 vote
1 answer
What is the structural formula of ch4
posted Jan 10, 2018 by Sntosh Rastoge
  • chemistry
0 votes
0 answers
What is the method to convert 0.19 into LN 0.19?
posted Jan 1, 2018 by Akhilesh Negi
  • chemistry
0 votes
1 answer
What is the full name of the compound - CH2ClCH2CHClCHCl2
posted Dec 18, 2017 by anonymous
  • chemistry
0 votes
0 answers
How do the atoms in a water molecule stick together?
posted Nov 2, 2017 by Alivia Clark
  • science
  • water
  • chemistry
+1 vote
1 answer
What is the percentage of salt in ocean water?
posted Oct 31, 2017 by Jordan White
  • ocean
  • science
  • water
  • chemistry
+1 vote
0 answers
What happens to your voice when you inhale hydrogen or helium gas?
posted Oct 26, 2017 by Panchika Trivedi
  • science
  • gas
  • human
  • chemistry
+1 vote
1 answer
Which element has the highest and lowest density?
posted Oct 16, 2017 by Jordan White
  • chemistry
  • elements
0 votes
0 answers
What is a Periodic Table in chemistry and why it is called Mendeleev Periodic table?
posted May 31, 2017 by anonymous
  • chemistry
+1 vote
1 answer
What was the contribution by the Nobel prize winner George A. Olah?
posted Mar 11, 2017 by Pooja
  • nobel
  • personality
  • chemistry
+2 votes
2 answers
Who discovered Aluminum and when?
posted Jan 27, 2017 by anonymous
  • invention
  • science
  • personality
  • chemistry
  • discovery
+2 votes
0 answers
What is the another name for Fire Gas?
posted Jan 27, 2017 by anonymous
  • science
  • chemistry
+2 votes
1 answer
Serine, Valine and Glycine are common forms of what acid?
posted Jan 11, 2017 by Reshmi S
  • chemistry
  • organic chemistry
+2 votes
0 answers
Why potassium nitrate is used in fertilizer?
posted Jan 5, 2017 by Kavyashree
  • chemistry
  • fertility
  • uses
+1 vote
1 answer
Who was awarded a Nobel Prize in 1908 for his work on the chemistry of radioactive substances?
posted Nov 28, 2016 by Aarati Mahajan
  • nobel
  • award
  • chemistry
0 votes
1 answer
For what discovery did Sir Harold Kroto, Robert Curl and Richard Smalley receive the 1996 Nobel Prize in Chemistry?
posted Aug 23, 2016 by Nikhil Pandey
  • chemistry
  • nobel
  • award
+1 vote
0 answers
What happed to the properties of Helium when it is cooled to almost absolute zero?
posted Jul 5, 2016 by Sunita
  • science
  • chemistry
0 votes
1 answer
What is (TEL) Tetraethyl Lead and what is its use?
posted May 18, 2016 by Erika
  • chemistry
  • science
+2 votes
2 answers
What is the Chemical name of Heavy water?
posted May 17, 2016 by Mukul Chag
  • science
  • chemistry
0 votes
0 answers
Water is a good solvent of ionic salts because of what?
posted May 4, 2016 by Rahul Chandel
  • chemistry
  • water
+2 votes
0 answers
Because of what chemical element the presence of the Glass color is deep blue.
posted Apr 21, 2016 by Debolina Charaborthy
  • science
  • chemistry
+4 votes
List of Periodic Elements who discovered each elements in Chronological order
posted Mar 30, 2016 by Divya Shree
0 votes
0 answers
4 new elements added to the periodic table? Can someone please provide the details of these elements?
posted Jan 5, 2016 by Amit Kumar Pandey
  • chemistry
  • science
0 votes
1 answer
Zirconium, hafnium and rutherfordium are elements in the same group.............what is the fourth member of this group?
posted Sep 23, 2015 by Nikhil Pandey
  • chemistry
  • metal
+1 vote
2 answers
Which scientist discovered the radioactive element radium?
posted Jun 24, 2015 by Sandeep Otari
  • personality
  • chemistry
  • elements
+1 vote
0 answers
Which scientist has developed the periodic table to arrange all the elements in a structured way?
posted Apr 30, 2015 by anonymous
  • personality
  • chemistry
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