Questions asked by Hard-worker

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• Help me to solve the interesting fact ?
  
• Please show the mechanism of Oxymercuration - demercuration ? Give an example to make it understand.
  
• One problem on physics, center of mass?
  
• A trigonometry problem please?
  
• Find most acidic hydrogen?
  
• A trigonometry problem: general solution..?
  
• Physics question on surface tension and thermodynamics?
  
• Does #"CH"_3"COCOCH"_3# show tautomerism?
  
• Prove that #"PV"^gamma="constant"#. ?
  
• Give a brief description about ENTROPY in physics?
  
• Why dry ether medium is needed for Wurtz reaction?
  
• An object is thrown with half of the kinetic energy needed to free an object from the attraction of the earth. How far will the object reach from the earth's surface?
  
• What is the order of the stability of the isomer? Explain.
  
• What is the significance of partial derivative? Give an example and help me to understand in brief.
  
• How to prepare ethanal from ethyne in shortest method? Urgent...
  
• Four cards are drawn out from a packet of cards casually. What is the probability to find 2 cards of them to be spade? @probability
  
• Details below. Acidity order "?"
  
• Show the mechanism of KOH and alcohol for forming double bond in an alkyl halide?
  
• We believe in the laws of thermodynamics because they are?
  
• Why we take #"CaCO"_3# as standard to determine the hardness of water?
  
• Nomenclature problem. ?
  
• Mathematical Induction problem. ?
  
• Heat transfer... variable area. ?
  
• What decides the color of a compound ? I want a brief explanation.
  
• The displacement of a particle is related with time as #x^2=t^2+2t+3#. How acceleration is related with displacement?
  
• Help with physics?
  
• One more physics question. Brief explanation needed. ?
  
• The #r_("th")# term of a geometrical series is #(2r+1)cdot 2^r#. The sum of the first #n# term of the series is what?
  
• Find the limit value. URGENT (?)
  
• Immediate. Immediate. Please help with limit problem?
  
• Can you help with velocity of a boat please.?
  
• Prove it please. ?
  
• What is zwitter ion?
  
• Solve it please. "?"
  
• Help me with this question?
  
• What is the R/S nomenclature?
  
• Example of some good leaving group. "?" Help help help.
  
• Why tertiary alkyl halides doesn't take part in Wurtj reaction?
  
• Mechanism of reaction of tertiary methyl chloride with #"LiAlH"_4#?
  
• Please explain...?
  
• How many subsets of #phi# set?
  
• Help me anyone on physics?
  
• When I create an wave on a string by striking or, plucking, how an another wave of same time period, frequency but of different sign create itself which results to the formation of the stationary wave?
  
• Principal value of #arctan0# is ______?
  
• Please explain ? Question 21.
  
• Provide me the second order equation of chemical kinetics?
  
• Integer type answer?
  
• What is the product?
  
• Help with physics"(?)"
  
• Help with physics?
  
• Why three hydroxyl groups cannot stay together with a carbon atom but it forms ketone? Is it because of steric?
  
• Reaction mechanism of desulphonation of benzene ring using dil. #"HCl"# and, #"H"_2"SO"_4//150^@c# "?"
  
• What are the long strings showed which flex or, extend the hand?
  
• What is the product after acid hydrolysis?