Messages posted by krish1092

6 hours

In NaCl , each Na⁺ ion is surrounded by 6 Cl^- ions situated at the 6 corners of a regular octahedron.Similarly each Cl^- is surrounded by 6 Na⁺ ions.The co-ordination number of Na⁺ or Cl^- is 6.So NaCl is considered as FCC.The picture is the crystal structure of NaCl

http://en.wikipedia.org/wiki/Sodium_chloride#Crystal_structure

http://departments.kings.edu/chemlab/animation/nacl.html

You can even refer these links

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NaCl is FCC

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I hope these might help you

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It is not necessarily black.Because no light is reflected or transmitted, the object appears black when it is cold.

You need not worry about whether the coaching institute is new or old.Check whether the faculty is good or bad and also the no. of students per class

Yes , they have .But they can be stopped by a sheet of paper
So willn't that be applicable in this case??

Willn't the alpha particles be stopped by the thin metal ??

I think the answer is NO

Iron pyrite is called fool's gold due to its resemblence to gold

Consider (tan3x - tanx)/2

=1/2(( sin3x/cos3x)-(sinx/cosx))

=1/2((sin3xcosx-cos3xsinx)/cos3xcosx)

=(sin(3x-x)/2cosxcos3x)

=2sinxcosx/2cosxcos3x

=sinx/cos3x

Therefore we can say that sin3x/cos9x=(tan9x-tan3x)/2

sin9x/cos27x=(tan27x-tan9x)/2

adding the three

we get

(sinx/cos3x)+(sin3x/cos9x)+(sin9x/cos27x)=(tan27x-tanx)/2

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Here

ax+by+c₁=0-->(1) ax+by+c₂=0-->(2)

Let P(x₀,y₀) be a point on the straight line (1)

so that ax₀+by₀=-c₁-->(3)

Now the distance between the parallel lines (1),(2) is equal to

PM where PM is the perpendicular distance of P from (2)

and hence

PM= [by length of perpendicular]

from (3)

=|-c₁+c₂| / root over (a²+b²)

=|c₂-c₁| / root over (a²+b²)

P.Bahadur [balaji publications] is a good book for inorganic chemistry

thanks for the solution guys......

i have rated every one

Nodal analysis (as far as i know) is used to find the voltage [ potential difference] between nodes(points

where elements or branches are connected) in a circuit.It is used to determine the voltage or current at

any point in an electrical circuit

The answer is not given

The function f(x)= is

(a) even

(b) periodic

(c) odd

(d) neither even nor odd

http://www.indiaedu.com/entrance-exams/engineering/index.html

http://www.successcds.net/engineeringentranceexam/

I think these might help u

pls rate me if useful......

In NaCl , each Na⁺ ion is surrounded by 6 Cl^- ions situated at the 6 corners of a regular octahedron.Similarly each Cl^- is surrounded by 6 Na⁺ ions.The co-ordination number of Na⁺ or Cl^- is 6.So NaCl is considered as FCC.The picture is the crystal structure of NaCl

http://departments.kings.edu/chemlab/animation/nacl.html

You can even refer these links

Here

ax+by+c₁=0-->(1) ax+by+c₂=0-->(2)

Let P(x₀,y₀) be a point on the straight line (1)

so that ax₀+by₀=-c₁-->(3)

Now the distance between the parallel lines (1),(2) is equal to

PM where PM is the perpendicular distance of P from (2)

and hence

PM= [by length of perpendicular]

from (3)

=|-c₁+c₂| / root over (a²+b²)

=|c₂-c₁| / root over (a²+b²)

The answer is not given

The function f(x)= is

(a) even

(b) periodic

(c) odd

(d) neither even nor odd

chemical reaction in which atoms have their oxidation number (oxidation state) changed is called reduction

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In NaCl , each Na+ ion is surrounded by 6 Cl- ions situated at the 6 corners of a regular octahedron.Similarly each Cl- is surrounded by 6 Na+ ions.The co-ordination number of Na+ or Cl- is 6.So NaCl is considered as FCC.The picture is the crystal structure of NaCl

http://departments.kings.edu/chemlab/animation/nacl.html

You can even refer these links

Here

ax+by+c1=0-->(1) ax+by+c2=0-->(2)

Let P(x0,y0) be a point on the straight line (1)

so that ax0+by0=-c1-->(3)

Now the distance between the parallel lines (1),(2) is equal to

PM where PM is the perpendicular distance of P from (2)

and hence

PM= [by length of perpendicular]

from (3)

=|-c1+c2| / root over (a2+b2)

=|c2-c1| / root over (a2+b2)

The answer is not given

The function f(x)= is

(a) even

(b) periodic

(c) odd

(d) neither even nor odd

chemical reaction in which atoms have their oxidation number (oxidation state) changed is called reduction

Preparing for JEE?

Kickstart your preparation with new improved study material - Books & Online Test Series for JEE 2014/ 2015

@ INR 5,443/-

For Quick Info

In NaCl , each Na⁺ ion is surrounded by 6 Cl^- ions situated at the 6 corners of a regular octahedron.Similarly each Cl^- is surrounded by 6 Na⁺ ions.The co-ordination number of Na⁺ or Cl^- is 6.So NaCl is considered as FCC.The picture is the crystal structure of NaCl

ax+by+c₁=0-->(1) ax+by+c₂=0-->(2)

Let P(x₀,y₀) be a point on the straight line (1)

so that ax₀+by₀=-c₁-->(3)

=|-c₁+c₂| / root over (a²+b²)

=|c₂-c₁| / root over (a²+b²)