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Determine the enthalpy change for the following reaction at 25°C: C3H8(g) + H2(g) → C2H6(g) + CH4(g) Using the Standard Heats Of Combustion that are given below.... *Image* The Standard heat of formation of C3H8(g) is -103 ...

If p,q,r are in GP, a,b,c are in AP, then ap, bq and cr are in ...

66. Let f : (–1, 1) → R be a differentiable function with f(0) = –1 and f′(0) = 1. Let g(x) = [f(2f(x) + 2)]2. Then g′(0) = (1) 4 (2) –4 (3) 0 (4) –2 ...

hii...PLS EXPLAIN LOOP METHOD AND STAR DELTA CONVERSION FOR SOLVING CAPACITOR PROBLEMS... I AM SOLVING BY GENERAL Q=CV METHOD..BUT IN A SOLUTION BOOK I SAW THE USE OF ABOVE METHODS AS SHORTCUTS....SO IF U KNW PLS EXPLAIN...// ...

Does any1 hv links for getting solutions to AN INTRODUCTION TO MECHANICS by Kleppner/Kolenkov ??? ...

cos∂cos2∂cos3∂=1/4 {0≤∂≤180} then 1. sum of the roots of the equation is? 2.find all the roots of this eq. PLEASE GIVE A DETAILED SOLUTION FOR THIS QUESTION. ...

1) At 0°C and 1atm pressure the densities of air, oxygen and nitrogen are 1.293, 1.429 and 1.251 kg/m3. Calculate the percentage of nitrogen in air, assuming these two gases to be present only. (it seems an easy one but stil ...

Which BOOK(s) is best in INORGANIC CHEMISTRY for 1) THEORY 2) PRACTICE ??? PLZ HELP!!! ...

\lim_{x\rightarrow 0} \frac{sec 4x-sec 2x}{sec3x-secx} ...

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how many students in 1 room in hostel in iit kgp? ...

In Thermodynamics (physics) , work done by the system is taken positive but in Thermochemistry, work done by the system is negative (as per my book) Why are both the signs different? or is there any mistake in my book? ...

Q1)Solve:(x+3)5-(x-1)5≥244. Q2)Find all real a such that 5a2-3a-2, a2+a-2 and 2a2+a-1 are the lengths of sides of Triangle. ...

Two uniformly charged plane sheets S1 and S2 having charge densities ∂1 and ∂2 (∂1 > ∂2) are placed at a distance 'd' apart, parallel to each other. A charge q0 is moved along a line of length a (a < d) at cm an ...

A gas is contained in a metallic cylinder fitted with a piston. The piston is suddenly moved in to compress the gas and is maintained at this position. As the time passes the pressure of the gas in the cylinder- a)Increases b ...

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1) Let f: R→ R satisfy xf(x) = [x] f ({x}) + {x} f ([x]), (brackets have their usual meaning). Find f(x). ...

what is the fees in bits pilani? ...

I can find the domain and range when there is a case of composition of general function. But,I face difficulty in finding out the range and domain of real functions. Am posting some doubts, please help me out. 1)Let f be a re ...

1)The water is electrolysed in a cell, hydrogen is liberated at one electrode and oxygen simultaneously liberated at the other. In a particular experiment hydrogen and oxygen so produced were collected together and the total ...

1)Why can the use of high temperatures in the catalytic hydrogenation of alkenes to alkanes be self-defeating ? 2)Provide an explanation for the fact that all trans-1,2,3,4,5,6-Hexaisopropylcyclohexane is a stable molecule in ...

What actually happens when we add Hydrogen Peroxide to acidified Potassium Dichromate? Do we get a deep blue solution or a green solution? I have read both of them. Will the result be different if Sodium Peroxide is added ins ...

Any body knows how to derive the equation for radius of a bimetallic strip (on bending) ? ...

I have two questions. 1)Why do ionic hydrides have more density than the corresponding metals? I know that interstitial hydrides have lower density than the corresponding metals from which they were formed as the crystal latt ...

*Image* Q1 & Q2 floor is smooth.Q2 surface below top bloc is smooth. ...

Anyone can please tell what is it and where and how to use it? ...

we are able to squeeze snow and make balls out of it due to some property........ which property is that????????? A.anomalous behaviour of water B.large latent heat of ice C.large specific heat of water D.low melting point of ...

In an arbitrary scale of temperature, water freezes at 40 and boils at 290. What is the boiling point of a liquid in this scale if it boils at 62 degrees celcius. What formula is used here? ...

How is difference in ionisation energy related to valency of d metal? ...

1.The boiling point of H2O is much higher than that of H2S.Why? ...