06/22/14

Find No of Moles
Atomic Weight of two elements 'A' and 'B' respectively are 32  and 16 .They combine to form two gases AB2 and AB4 and the Mixture is found to have a vapor  density of 38.4. the no of moles of AB2... more
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06/22/14

Find % of Fe
if a piece of iron gain 10% of its weight due to partial rusting into Fe2o3 the % of total iron that has rusted is ?
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06/22/14

Calculate N
One mol mixture of Feo and Fe3o4  containing equal moles of each on reaction with excess 02 give 'n' moles of Fe2o3 . Calculate 'N'
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06/22/14

if secA=17/8 and cosecB=5/4 then sec(A+B) can have value ?
if secA=17/8 and cosecB=5/4 then sec(A+B) can have value ?
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05/27/14

Give Detail Answer
If 150g of carbon react with 250g of cl2 and the reaction has an 85% yield , how many gram of ccl4 are produced ?
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05/27/14

what is answer
2.5 g of a mixture of a BaO and CaO when heated with h2so4 ,produce 4.713g of the mixed sulphates . Find the percentage of BaO present in the mixture 
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05/25/14

Solve step by step
log2(x+5)=(6-x) Find number of solution 
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05/25/14

Give answer in step by step manner
if log a : log b : log c=(b-c):(c-a):(a-b) then which one is correctabbcca=1 , aabbcc=1 , a1/ab1/bc1/c=1
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05/20/14

how to find out no of atoms
no of oxygen atom in 10ml of h20 (l) 
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05/20/14

What is Solution
log3(3x-8)=(2-x)
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05/19/14

Give answer in step by step order
xlog2x+4  =32
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05/10/14

prove this on e
log2+ 16log16/15+12log25/24+7log81/80=1     2) log2x+log4(x+2)=2
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05/09/14

find answer
base = 2 , log x=y    if y= 121212121212121212121212121212121212121212121121222211112222345433221167686598494694.9  then x =?    
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05/08/14

how to calculate mole of electron proton and nutron
how to calculate mole of electron proton and nutron
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04/27/14

What is solution
log tan 1degree + log Tan 2degree .......+ log Tan 89degree
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04/19/14

what is Physical quantity
what is Physical quantity?
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04/19/14

what is difference between chemical property and physical property
what is difference between chemical property and physical property?
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04/19/14

Difference between atomic mass and atomic weight
what is difference between atomic mass and atomic weight ? Explain
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04/19/14

chemical substance
What is chemical Substance ? Please Explain with Example!
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04/19/14

Transition metal
What is Transition Metal ? Explain With Example !
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04/17/14

Find Sum ...
what is sum of  (1)2 + (2 )2+(3) 2+(4) 2+(5)2 ..........  (n)2
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04/16/14

when object is in motion
Rotation of earth is motion or revolution is motion !what is definition of motion?
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01/20/14

Homologous series.
Homologous series have same chemical property why?Methane and ethane have different chemical property or not !If yes then why just adding a hetero atom in both compound can make both compound... more
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01/20/14

small atom having much stronger bond
Why atom with small size formed much stronger bond than atoms with large size? Please Explain.
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01/20/14

small atom having much stronger bond
Why atom with small size formed much stronger bond than atoms with large size? Please Explain.
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