Recently Active Chemistry Questions

One mole of monoatomic vanderwaal gas when confined in 5L flask at 300K reads 4.85 atm on a barometer scale.Determine values of vanderwaal constant .Also determine diameter of gaseous atoms ...

Determine volume of air containing 20% oxygen by volume,that would have to be inhaled at 20°C and 1 atm to consume 1Kg of fat C57H110O6 assuming that only 70% by volume of the oxygen present in air is used up in combustion ...

1L of gas at 300atm and 473 K is compressed to a pressure of 60 atm and 273K.The compressibility factors found to be 1.072 and 1.375 at initial and final states.Calculate final volume ...

1 mL of sample of aqueous solution of tritium is injected into animals blood stream.the sample has an activity of 1.8 x 106 cps.After sufficient time for sample to be completely mixed with blood,2 mL of blood is withdrawn fro ...

Lowering of vapor pressure is determined by this process In the following process,Air is allowed to pass through a solvent or solution;it takes up solvent vapor with it ot get itself saturated with vapors at that temperature ...

Find intercept and slope when 1/XA v/s 1/YA is plotted ...

What is meant by a hard acid and a hard base?Please explain. ...

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Q1. MULTIANSWER CORRECT choose the correct statements (A) KMnO4 is a powerful oxidising agent (B) KMnO4 is a weaker oxidising agent than K2Cr2O7 in acid medium (C) KMnO4 is a stronger oxidising agent than K2Cr2O7 in acid medi ...

H2SO4+HI→ K2Cr2O7+HCl→ CaOCl2+NaI+HCl→ ...

tertiary substrate favours elimination and among substitution SN1 .......BUT IN CSE OF TERTBUTYL CHLORIDE WITH 80% ALCOHOL AT 298K ,83%PRODUCTS ARE SN1 AND 17% ARE OF E1......WHY?????????????? ...

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*Image* is it aromatic.explain ...

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PLZ EXPLAIN THESE ------"in combustion the quantity of heat produced re related to the strength of the bonds in reactants and alsi in case of products" can u give the order relation ...

KCl3+I2→ ICl+OH-→ CuI+Na2S2O3→ Sn+HNO3→ ...

A(aq)+Zn→B(g) A(aq)+C+Heat→PH3 A(aq)+NH4Cl→D(gas) ...

When an aqueous solution of sodium fluoride is electrolyzed,the gas liberated at anode is ? ...

What is the balanced chemical reaction when Aluminium sulphide becomes damp? ...

The size of d orbitals decreases in order Si>P>S>Cl but π bonding order increases in the same order.Why ? ...

Why elemental nitrogen exists as diatomic molecule whereas elemental phosphorous as tetra atomic and elemental sulphur as octahedral ? ...

1)Copper oxide from Copper sulphate 2)Ferrous sulphate from Mohr's Salt 3)Anhydrous ZnCl2 from white vitrol ...

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An acid type indicator, HIn differs in colour from its conjugate base (In–). The human eye is sensitive to colour differences only when the ratio [In–] / [HIn] is greater than 10 or smaller than 0.1. What should be the mi ...

How many grams of silver could be plated out on a serving tray by electrolysis of a solution containing silver in + 1 oxidation state of period of 8.0 hours at a current of 8.6 Amperes? What is the area of the tray if the thi ...

KBr +ICl→ KF+BrF3→ ...

What is the order of lattice energy evolved during the formation of the following ionic compounds from their respective ion pair in gaseous state? MgO, CaF2, LiF ...

When SnCl2 is added to HgCl2 the substance formed is ? ...