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magnesium is the lightest of the structural metals while this low density is an attractive property magnesium also has a high corrosion rate that has
a single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt naoh solution which is fed to the evaporator at 40degc the
ammonia is oxidised with air to form nitric oxide in the first step to produce nitric acid the reaction occurs in a well insulated continuous
in ch2cch2it is given that the length between h of first carbon at top and h of last carbon at top is l1 and length between h of first carbon at top
the difference between an ideal gas and a real gas is that real gases will not strictly follow the laws established for ideal gases because of
ch3cooh ethanoic acid nh3 ------------ gt ch3coonh4 heat ---------- gt ch3conh2 methyleamine
why was covalent compounds are insoluble in water and ionic compounds soluble in waterans when ionic bonds form one atom becomes positively charged
what are the major poisnous gases released during burning of the plastic substances ans it is high time that we start taking concrete steps in
if the water molecules in 1g of water were uniformly distributed on earth surface how many such water molecules would there be in 1 cm2 of
50ml of 01m nh4oh 25ml nh4cl weere used to make a buffer what is the ph is if pkbis 48solution the given buffer is a base buffernh4oh 500175nh4cl
when h is removed from any compound it forms conjugate acid the addition of h ion gives conjugate
thermodynamic free enrgy is the amount of work a thermodynamic system can perform the concept is useful in the thermodynamics of chemical or thermal
why p-nitro toluene is higher boiling point than o-nito toluene ans the term hydrogen bonding is used to define dipole-dipole attractive forces
how to know which compound is more stable if heat of formation values are given ans every compound tend to stay in lowest energy possible to be more
coordination no is the no assigned to an atom which tells us that how many other atoms are directly attached to iteg pcl5 the cordination no will be
the crystal field theory experiment shows the effects on metal d orbital energies of moving a set of negative point charges close to a metal ion as
iupac name is given to compounds carbon is an element so it will bw called as carbon onlyeg hydrocarbons -
how can we prove the stability of a space colony having a shape of truncated icosahedron solution because the shape has a sci-fi look to it and it
silver has a density of 105gcm-3 the no of silver atoms on a surface area of 10-12m2 can be expressed in scientific notation aas y x 10xthe value of
the basicity is 3 as there are 3 h atoms that can be displaced from
what are the points to be taken into account to compare the enol ans different propositional proof system for theorem proving in propositional logic
if hydrogen atom is in an energy level represented by n4how many spectral lines are possible in its emission spectrumsolution there is a formula for
energy difference is maximum between which of the consecutive energy levels in an atom solution according to the line spectrum of hydrogen maximum
the ca2 and mg2 ions in hard water form scum with soap therefore they dont form lather and therefore dont clean the
two or more different types of monomers joined together to form giant molecule is called coopolymerisationex--- nylon66 --it is a