Recently Active Physical Chemistry Questions

what is the relation between torr and atm?? ...

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lake cayuga has a volume of water estimated to be 8.2 X 1012 L.a power station not so far above cayuga waters produces electricity at the rate of 1.5 X 106 coulomb/sec at an appropiate voltage ...how long would it take to ele ...

what is steric effect? ...

calculate n factor of HCuCl2 in 2HCuCl2 → Cu + Cu2+ + 4Cl-+ 2H+ ...

find the ratio of translational and rotational energies of a diatomic gas. please give solution ...

Statement i:At critical point physical properties of gaseous state bcomes similar to that of liquid sate. Statement2:At critical temp. & above it difference btween liquid & gas phases disappears. options are as of IIT JEE pat ...

how to find n factor of H2O2 in reaction 2H2O2 → 2H2O + O2 ...

NH4Cl(S)(CONTAINED IN A FLASK)=NH3(G)+HCl(G) DELTA H=176 KJ/MOL HOW IS MASS OF NH4Cl AFFECTED BY- 1.TEMP IS DECREASED 2.NH3 ADDED 3.HCl ADDED 4.NH4Cl ADDED WITH NO CHANGE IN VOLUME 5.LARGE AMOUNT OF NH4Cl IS ADDED DECREASING ...

for a process in equilibrium ΔG=0 ΔG=ΔH - TΔS THEREFORE ΔH=TΔS ALSO FOR A REVERSIBLE PROCESS IN EQUILIBRIUM ΔS=0 WHICH IMPLIES THAT ΔH=0 FOR ALL PROCESSES IN EUQILIBRIUM???? SOMEBODY PLEASE EXPLAIN ...

we know that NH3 is a strong ligand.but then why complex[Cr(NH3)6]3+ have 3 unpaired electrons. please give the complete and clear concept ...

match list 1(complex) with list 2(no. of unpaired electrons) and select correct answer. list 1 list 2 A [CrF6]4- 1 B [MnF6]4- 2 C [Cr(CN)6]4- 3 D [Mn(CN)6]4- 4 A B C D (a) 4 1 2 5 (b) 2 5 3 1 (c) 4 5 3 1 (d) 2 1 3 5 i think a ...

A closed vertical cylinder is divided into two parts by a frictionless piston, each part contains one mole of air. At 27°C, the volume of the upper part is 4 times the volume of the lower part. Calculate the temperature at w ...

A given sample of N2O4 in a closed vessel shows 20% dissociation in NO2 at 27°C and 760 torr. The sample is now heated upto 127°C and the analysis of mixture shows 60% dissociation at 127°C. ques.1. The total pressure of e ...

how to find the n factor for the salts which react such that no atom undergoes change in oxidation state ...

A:Addition of inert gas at constant volume in Habers process for synthesis of Ammonia produces more amount of NH3 B:Increase in pressure favours the formation of Ammonia in habers process (i)Both true,B is the correct explana ...

are u getting 0.92????? *Image* it is a 2d picture of unit cell ...

A: isothermal expansion of ideal gas against vacuum must be simultaneously adiabatic R:the work done by system in above process is Zero. ...

A addition of dilute HNO3 to saturated soln of PbS increases solujblity of PbS R:Pb(NO3)2 and other nitrate salts are highly soluble in water ...

The volume percentage of Cl2 at equilibrium in the dissociation of PCl5 under a total pressure of 1.5 atm is? (Kp=0.202) answer:25.5 % ...

^{238}_{92}U is radioactive and it emits alpha and beta particles to form ^{206}_{82}Pb . Calculate the number of alpha and beta particles emitted in this conversio. An ore of ^{238}_{92}U is found to contain ^{206}_{82}Pb an ...

q1)the ka1=5.6x10-2 ka2=6.2x 10-5 ksp=3.5x10-11 for oxalic acid,the solubility of this acid in a aqueous solution of ph=5.0 is a)9.9x10-3 b)10-2 c)10-4 d)9.9x10-5 ...

the ionization potential of hydrogen atom is13.6eV,if an h_ atom in ground state is excited by a monocromatic radiation of 12.1eV,then the no of sprectral lines aCCORDING TO BOHR'S THEORY WILL BE a)1 b)2 c)3 d)4 ...

ques- PF3 CAN ACT AS A DONOR MOLEULE WHEREAS NF3 SHOWS LITTLE TENDENCY TO DONATE.ACCOUNT FOR THIS FACT. ITHINK THAT IN PF3 ELECTRON PAIR IS EASILY DONATED AS PHOSPHORUS IS LARGER IN SIZE THAN NITROGEN.IS THIS EXPLANATION CORR ...

NH3(AQ) REACTS VERY EASILY WITH Cu2+,IF ACID IS ADDED TO NH3(AQ),there is no reaction.explain. ...

Which of the following statement for order of reaction is not correct? A) order can be determined experimentally B) order of reaction is equal to sum of the powers of concentration terms in differential rate law C) It is not ...

what are hybridisation state of c and n atom in following molecule? *Image* i think- for nitrogen 1=sp2 2=sp3 3=sp3 for carbon 1=sp2 2=sp2 3=sp2 4=sp2 am i correct. ...

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