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Catalogs Discussion Forums -> Mechanics -> please reply -> Go to message
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It is desired to lift 2000 kg of metal
 
through a distance of 12 m in 1
 
minute.Find the minimum horsepower
 
of the engine to be used?
Catalogs Discussion Forums -> Mechanics -> H.C.Verma problem -> Go to message
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The heavier block in an atwood machine has a mass twice that of the lighter one.The tension in the string is 16 N when the system is set into motion.Find the decrease in the potential energy during the first second after the sysem is realeased from rest?
Catalogs Discussion Forums -> Mechanics -> hcv problem -> Go to message
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A block of mass 30 kg is being brought down by a chain.If the block acquires a speed of 40 cm/s in dropping down 2 m,find the work done by the chain during the process.
Catalogs Discussion Forums -> Physical Chemistry -> Dilute solutions -> Go to message
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1 replies   
Please reply me ...............................................
 
rates assured
Catalogs Discussion Forums -> Physical Chemistry -> Colligative properties -> Go to message
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5 replies   
Yes u are absolutely correct but please explain me.........
Catalogs Discussion Forums -> Physical Chemistry -> Colligative properties -> Go to message
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A solution containing 1.23 g of Ca(NO3)2 in 10 g of water boils at 100.9750C.Calculate the degree of ionisation of the nitrate.(Kb=0.52)
Catalogs Discussion Forums -> Physical Chemistry -> Dilute solutions -> Go to message
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Calculate Kb of water when 1 mole of the solute is dissolved in 1000 g of water.The latent heat of vapourisation of water is 539.9 calories per gram
Catalogs Discussion Forums -> Electricity -> electostat -> Go to message
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9 replies   
answer is 2.56 x 1025 N please explain
Catalogs Discussion Forums -> Electricity -> electostat -> Go to message
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9 replies   
 
Suppose all the electrons of 100 g water are lumped
 
toghether to form a negatively charged particle and
 
all the nuclei  are lumped together to form a
 
positively charged particle.If these two particles are
 
placed 10.0 cm away from each other,find the force
 
of attraction between them
Catalogs Discussion Forums -> Mechanics -> Electrostat -> Go to message
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0 replies   
Suppose all the electrons of 100 g water are lumped
 
toghether to form a negatively charged particle and
 
all the nuclei  are lumped together to form a
 
positively charged particle.If these two particles are
 
placed 10.0 cm away from each other,find the force
 
of attraction between them.
Catalogs Discussion Forums -> Inorganic Chemistry -> Solution -> Go to message
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The water vapour pressure at 293 K is 2338 Pa and the vapour pressure
 
of an aqueous solution is 2295.8 Pa .Determine its osmotic pressure at
 
313 K if the solution density at this temperature is 1010kg/m3.The
 
molecular weight of the solute is 60.
Catalogs Discussion Forums -> Trignometry -> solublity -> Go to message
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2 replies   
No but please reply me dost................
Catalogs Discussion Forums -> Trignometry -> colligative properties -> Go to message
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How to find the total mass.please proceed to some more extent.Thank u
Catalogs Discussion Forums -> Trignometry -> solublity -> Go to message
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In what mass of water must 25g of cuso4.5h2o be dissolved to obtain an 8% solution of copper sulphate .
 
Rates assured
Catalogs Discussion Forums -> Trignometry -> solublity -> Go to message
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In what mass of water must 25g of cuso4.5h2o be dissolved to obtain an 8% solution of copper sulphate .
 
Rates assured
 
 
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