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a house is air conditioned using solar energy solar radiation heats a pressurized tank such that the temperature is maintained at 175o c 1500 kj must
two compartments each of 1 m3 capacity are connected by a valve and insulated from the surroundings and from each other one compartment contains
1 calculate the entropy change when 1 kmol of an ideal gas at 300 k and 10 bar expands to a pressure of 1 bar if the temperature stays constant2 what
determine the change in entropy when 2 kg of a gas at 277 k is heated in a closed rigid container to a temperature of 368 k take the specific heat at
for a reversible process involving ideal gases in a closed system show thatdeltas cv lnt2t1 for a constant volume processdeltas cp lnt2t1 for a
high temperatures and pressures are given for the following power plantsisu co-generation 400 psi 750fcity of ames with rdf 700 psi
to determine the temperature that occurred in a re in a warehouse the arson investigator noticed that the relief valve on a methane storage tank had
a locus formed by joining the points which are at the equal distance from the sourceis called
a radiation of 500nm is incident on a metal surface whose work function is 3evwhy do we not observe the phenomenon of photoelectric effectans because
a transistor is a semiconductor device used to amplify and switch electronic signals and electrical power it is composed of semiconductor material
what are the major poisnous gases released during burning of the plastic substancesans it is high time that we start taking concrete steps in order
why the current flow is always oppositte in direction to the conventional current direction ans availability of free electrons and application of
glucose and fructose differ in their structer at 1st two carbon atom c1 and c2 onlyin osazone formation tthere two carbon atoms take part in the
what property command to water soluble vitamins permits water solubilityans because of 1oh bond between them2 polar componets3 availibility of in
how do you explain in the absence of aldehyde group in the pentaacetate of d- glucosesolution if we add fehlings solution to d glucose
a substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded
4-nitrotolouene ---gt lialh4 converts it to 4-aminotoluene ----gt add hno2 and it forms -----gt diazonium salt ------gt add h3po2 to get toluene
carboxylic groupamino groupester groupamide group group are key functional groups in aspartame although phenol is present it is not a functional
pig iron is cast iron with a very high carbon content 4 by weight or more cast iron has at least 2 carbon by weight less than that and its steel cast
there are two type of vitamines 1water soluble 2fat solublewater soluble vitamines are b complex and c vitaminesvitamine c is soluble in water so
cast iron is not appreciably malleable at any temperature as cast the carbon in cast irons may be present in the form of iron carbide or free
multiply and divide by root2 thenroot2root2sinxcosx root2sinxroot2 cosxroot2 root2sinx cos45cosx sin45
cast iron is iron or a ferrous alloy which has been heated until it liquefies and is then poured into a mould to solidify it is usually made from pig
both need to be a full page detailed proof not just a few lines of proof 1 every convergent sequence contains either an increasing or a
a car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle to the horizontal where sine 1200 resistance to motion apart from