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Atom, chemistry, Chemistry
what is atom
Posted Date: 3/29/2012 11:43:23 AM | Location : United States
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If wavelength of photon is then momentum of photon, If wavelength of photo...
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Calculate the temperature of that superheated steam, It is desired to creat...
It is desired to create 5 kg of superheated steam at 300 o C and 20 bar using an isobaric mixer. If 543 kJ of heat are sent to the system, and 2 kg of saturated steam is mixed wit
Acids and bases, What does the HA and A- stand for in buffer solution equat...
What does the HA and A- stand for in buffer solution equations? Ka=HA/A-
Explain the structure of alkenes, Q. Explain the structure of Alkenes? ...
Q. Explain the structure of Alkenes? Ans. Alkenes have the general formula C n H 2n . Therefore, for every n carbon atoms, there are 2n hydrogen atoms. Alkenes have C =
Illustrate specific heat, Q. Explain Specific Heat and caluclate amount of ...
Q. Explain Specific Heat and caluclate amount of heat transferred? Ans. The amount of heat transferred to a substance depends on three things: a) amount of the substance
Determine spherical symmetry, A filled or half-filled set of p or d -orbit...
A filled or half-filled set of p or d -orbitals is spherically symmetric. Point out the species which has spherical symmetry: (1) Na (2) C
Stearic effect - reactivity of aldehydes and keto, Stearic effect - relativ...
Stearic effect - relative reactivity of aldehydes and keto The size of the alkyl group is much more than that of hydrogen. In aldehydes, there is one alkyl set although in keto
Why sky appears blue in colour, Describe the following observations: a....
Describe the following observations: a. Lyophilic colloid is more stable than Lyophobic colloid. b. Coagulation takes place when sodium chloride solution is added to a collo
Important synthetic rubbers: styrene rubber , Styrene rubber (GR-S or Buna-...
Styrene rubber (GR-S or Buna-S or SBR or Ameripol): Styrene butadiene rubber (SBR) is prepared by the copolymerization of butadiene (75%) and styrene (25%) in an emulsion styrene
Chemical properties of maleic acid and fumaric acid, Chemical Properties of...
Chemical Properties of Maleic Acid and Fumaric Acid Chemically, both of the acids provide the reactions of alkenes and dibasic acids apart from that the maleic acid on heating
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