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1 consider the following differential equation with initial conditionst2 x 5 t x 3 x 0 x1 3 x1 -13assume there is a solution of the form x t t
a steam turbine takes in saturated steam at 300 c and outputs steam at 4 bar if the efficiency of the turbine is 65 calculatea the final composition
a box is divided into two parts of equal volume via a partition the box is thermally insulated from the surroundings consider that compartment 1
in thermodynamics the joule-thomson effect describes a process in which a fluid is forced through a valve or porous plug while kept insulated so that
a substance has constant heat capacity cp 35r and its equation of state is given byp v-crt rtwhere c 5 10-7 m3 j this substance is isentropically
find cp for any substance in terms of v t p and shint how is cp related to partsparttp
a 2kg piece of copper at 200o c is taken out of a furnace and is allowed to cool in air with an ambient temperature of 25o c calculate the entropy
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