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Organic Chemistry
A sample of coal powder was analysed by proximate analysis. The observed results were as follows. Moisture content: 43%; volatile content: 28%. If the initial weight of the samples was 0.80 gm, find out the amount of moisture content (in gm), volatile content (in gm), carbon content (in gm) and ash content (in %) content, provided that at the end of the experiment the residual ash was found to be 100.0 mg.
Organic Chemistry
Estructura de resonancia de CH2NO2 y de CH2CHNO2
Organic Chemistry
1-methylbutane
1,1,3-trimethylhexane
5-octyne
2-ethyl-1-propanol
2,2-dimethyl-3-but
1,1,3-trimethylhexane
5-octyne
2-ethyl-1-propanol
2,2-dimethyl-3-but
Organic Chemistry
if hybridization patterns of NH and SF gave sp3 and sp3d2 respecticely ,
then what is the value of 2 x + 3 y
then what is the value of 2 x + 3 y
Organic Chemistry
if hybridization patterns of NH and SF gave sp3 and sp3d2 respecticely what is the value of 2 x + 3 y
Organic Chemistry
Search out the literature through which we can find out the values of constant involved in Vander Waals Equation
Work out the calculations related to imperfect gas mixture
Work out the calculations related to imperfect gas mixture
Organic Chemistry
Calculate deltaH and deltaS for the following reaction and decide in which direction each of these factors will drive the reaction.
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Calculate deltaH and deltaS for the following reaction:
NH4NO3(s) + H2O(l) ---> NH4+ (aq) + NO3- (aq)
Use the results of this calculation to determine the value of deltaGo for this reaction at 25o C, and explain why NH4NO3 spontaneously dissolves is water at room temperature.
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Calculate deltaH and deltaS for the following reaction:
NH4NO3(s) + H2O(l) ---> NH4+ (aq) + NO3- (aq)
Use the results of this calculation to determine the value of deltaGo for this reaction at 25o C, and explain why NH4NO3 spontaneously dissolves is water at room temperature.
Organic Chemistry
The standard free energy of chemical reaction 2A + B ⇆ 2C at 500 K = 2 KJ mol-1. Calculate Kp at 500 K for the chemical reaction A + ½B ⇆ C.
Predict whether the following reaction is still spontaneous at 500C:
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Assume that the values of deltaHo and deltaS used in first Problem are still valid at this temperature.
Use the value of deltaGo obtained in the first Problem to calculate the equilibrium constant for the following reaction at 25C:
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Predict whether the following reaction is still spontaneous at 500C:
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Assume that the values of deltaHo and deltaS used in first Problem are still valid at this temperature.
Use the value of deltaGo obtained in the first Problem to calculate the equilibrium constant for the following reaction at 25C:
N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)
Organic Chemistry
Write a balanced equation to indicate reaction of h3po4, h3po2 and h3po3 and excess oh-
Organic Chemistry
2.65g of anhydrous sodium trioxocarbonate (IV) were dissolved in water and made up to 250cm^3. 25cm^3 of this solution required 20cm^3 of hydrochloric acid of complete neutralization.
(a) The concentration of sodium trioxocarbonate (vii) in g/dm^3
(b) the concentration in mole per dm^3
(c) Write the equation for the reaction.
(a) The concentration of sodium trioxocarbonate (vii) in g/dm^3
(b) the concentration in mole per dm^3
(c) Write the equation for the reaction.
