Recently Active Physical Chemistry Questions

NaSO4 n Na2SO4 are alloys isomers isomorphous system polymorphous system ...

*Image* Determin the ph of the aqeous soln of CLC6H4NH3CL KBCLC6H4NH2 ...

5g of alumunium treated with excess of dilute HCl ,the volume of hydrogen evolved at STP in dm3 Ans is 6.22......can u tell me how euql masses of zinc n bromine were allowed to react till completion of reaction to form ZnBr2 ...

Plz giv me the topics in solid state which r important for iitjee except those given in ncert.. ...

1 mole of nitrogen is mixed with 3 mole of in a 3 litre vessel 20% of nitrogen is converted into ammonia. d equilibrium constant for d rean 1/2N2 +3/2 H2 <----> NH3 ...

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hey wats the relation between ionic mobility, transportation no and the equivalent conductance.?? Please help me ...

*Image* answer Q no 3 ...

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a current of dry air was passed through a series of bulbs containing 1.25 g of solute A2B in 50 g of water and then through pure water .the loss in weight of the former series of bulbs was 0.98 g and in the later series 0.01 ...

58. A balloon filled with ethyne is pricked with a sharp pointed needle and quickly dropped in atank of H2 gas under identical condition. After a while the balloon will be (A) shrunk (B) enlarged (C) completely collapsed (D) ...

blood is said to be isotonic with 0.85%[wt/v].NaCl solution at 40degrees celsius.assuming complete dissosiation of nacl .calculate total concentration of various solutes in blood .also report its approximate freezing point. ...

chem paper 2 for d first order rxtion A-->P .wala q wats d value of Ea ??? ...

HCl, HBr, HI have acid strength in order in aqueous solutions as:??? I thought it should be HI>HBr>HCl, but answer is given to be HI=HBr=HCl Could sumbody pls explain? ...

in jee syllabus i found the following two different subtopics- 1.spectrum of hydrogen atom 2.Qualitative quantum mechanical picture of hydrogen atom plz explain me about the 2nd one. ...

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Q 2.5 mL of 2/5M weak mono acidic base (Kb = 1 × 10–12 at 25°C) is titrated with 2/15 M HCl in water at 25°C. The concentration of H+ at equivalence point is (Kw = 1 × 10–14 at 25°C) (A) 3.7 × 10–13 M (B) 3.2 × 1 ...

75 g of a metal combines with 24 g of Oxygen to form metal oxide, find the equivalent weight & molecular weight of the metal. ...

How much (volume) of 0.001 M HCl(aq.) should be added to 10cm3 of 0.001 M NaOH to change its pH by one unit? ...

Q.1 Find the % of H+ from water at 250C in 0.1 M CH3COOH take Ka of acid as 10-4 Kw=10-14 and volume = 1L. (Give complete soln.) ...

If a refrigerator's door is kept open, then the room will be (a)cooled (b)heated (c)no effect please explain the answer ...

The vapour pressure of a solution of 9 g of non-electrolyte in 18 g of water at particular temperature is 2250 N m-2. The vapour pressure of pure water at that temperature is 3000 N m-2. The molecular weight of the solute is. ...

1. 0.1 mole of CH3NH2(kb=5*10-4) is mixed with 0.08 mole of HCl and diluted to 1 L.What wil b the H+ concentration in solution? a. 8*10^-2 b. 8*10^-11 c. 1.6 *10^-11 d. 8*10^-5 ...

the vapour pressure of liquid water us 19 torr at 27 degre by wat factor does d molarvolume of water increases as it vaporuise to form an ideal ga under thses conditions as compared to original volume in liquid state ...

whih showz both of em ? defeckts ? AgCl AgBr NaCl NaBr ? ...

A detergent (C12H25SO4-Na+) solution becomes a colloidal solution at a concentration of 10-3 M. On an average 1013 colloidal particles are present in 1 mm3. What is the average number of ions contained in one colloidal partic ...

how to draw a chemical structure for example H2S2O5,CrO5 ...

what is caro's acid ...

In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top and bottom of the cell are regular hexagons and three atoms are sandwiched in between them. A sp ...