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• Complete the following reaction? #"C"_2"H"_5"COOH"+"Zn"->#
  
• What compounds have dipole-dipole forces?
  
• Do all organic compounds contain C, O and H?
  
• What is the chemical process by which iron is producestill from iron ore?
  
• If an element has atomic number 13 an atomic mass 27 how many electrons are there in each atom of the element?
  
• 1.(a)explain what do you understand by inductive effect and types of inductive effect? (b) explain the relative stabilities of primary, secondary and tertiary carbonations?
  
• How can you tell if a molecule is achiral?
  
• What types of elements are generally involved in an ionic bond?
  
• What is the root or base name of an organic compound according to IUPAC System?
  
• What is the halogenation of alkenes?
  
• Why is benzene resistant to addition reactions?
  
• What is homolytic cleavage?
  
• What are compounds?
  
• What is the main functional group present in acetone (propanone)?
  
• When the mass number of oxygen is 16, how many neutrons does oxygen have in its nucleus?
  
• If #NaCl# were to undergo electrolysis what terminal would you expect sodium to go to? Why?
  
• Why do ionic solids tend to have melting points hundreds of degrees higher than molecular solids?
  
• What is the IUPAC name for CH3-C≡C-CH2-CH2-CH3?
  
• Why rate of reaction decreases by passage of time?
  
• What is an example of an achiral compound?
  
• Do elements have a variable compostion?
  
• Distinguish between sigma and pi bond?
  
• What are electrolytes ?
  
• Is 1,3,5 cyclohexatriene the IUPAC name of Benzene??? Please remove my confusion, what is the IUPAC name of Benzene ? Thanks a lot.
  
• What information does mass spectrometry provide?
  
• Name two gases which chemically compine to from A)solid B)liquid ?
  
• What's the difference between alkanes and alkenes, and what's an example of each?
  
• Really need help with Science!!! Please?
  
• What is the salt formed when Copper (II) combined with Sulfur (S) and how do you write the formula?
  
• Nomenclature problem. ?
  
• How would you make ethyl acetate?
  
• Can you help me with Periodic Trends?
  
• What effect do polarity and intermolecular forces on the macroscopic world?
  
• How do u name this, Im confused because of the ether ??
  
• Question #a7f46
  
• What are the functional groups of propranolol?
  
• Can someone help me??
  
• What are the factors affecting the dissolving rate of a solid?
  
• What is the difference between strong and weak acids? Give three examples for each group.
  
• Does a proton neutron or electron have a charge of +1?
  
• How do alkenes react with chlorine?
  
• How are the acids classified according to number of hydrogen atoms?
  
• Question #94351
  
• Question #9d69b
  
• What is the definition of an acid according to Arrhenius?
  
• How is percentage abundance of a particular isotope determined?
  
• How do human activities harm the environment?
  
• How do organisms that require oxygen maintain enough oxygen during the winter months, where many trees lose there leaves?
  
• Question #5273e
  
• Based on the table given below, why there is a difference in these observations??
  
• Why does dish soap flow slower than vegetable oil?
  
• Why does neutralisation of any strong acid in an aqueous solution by a strong base always result in a heat of reaction approx. -57kJ/mol?
  
• As halogens are salt formers ,so can we say alkylhalides are salts?
  
• Question #efe74
  
• How do you distinguish between organic and inorganic compounds?
  
• What are saturated hydrocarbons?please answer so that a 8th child could understand
  
• Question #7e3cb
  
• Explain what plate tectonics are and how they are powered?
  
• Question #4cfe0
  
• Why is thermite process used?
  
• Question #c7673
  
• Question #c8b12
  
• If a compound having four carbon atoms has a tripe bond in it. How many hydrogen atoms are there in it. AS: H3C-CH2-C --- (triple bond)CH What is the name of the compound? please explain the way you found that out.
  
• What is substitution reaction of alkanes?
  
• How can we identify ethane from ethene?
  
• Why can the formula #C_5H_12# support isomerism?
  
• How does abundance contribute to the average atomic mass of an element?
  
• Differentiate substitution and elimination reactions of alkyl halides.?
  
• Why aren’t most pure metals found on the earth’s crust?
  
• Question #461b3
  
• Question #89478
  
• Question #a8628