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Questions (17)
4nh3 +7o2 -->4no2+6h20. what mass of h20 forms when 10.0 g of nh3 reacts with 25.3g of o2
1 answer
408 views
After leaving port, a ship sails 147.0 km in the direction N48o47'E.
How far North of the port is the ship now located? (report
2 answers
576 views
Ravi bought a leather Coat costing Rs. 900 at Rs.990 after paying the VAT charged on the coat.
1 answer
487 views
Smallest 4 digit number even number using digits 8,0,5.
1 answer
364 views
Nikita sold two wheeler through agent she got Rs 17150 for it after paying agrnt if commission was paid at 2% find selling price
2 answers
411 views
near point of an eye is 50 cm and far point is 4 m . Which lenses should be use t read as well as see movie clearly?
0 answers
396 views
when 2g of a gas A is introduced into an evacuated flask kept at
25 centigrade, the pressure is found to be 1 atmosphere.if 3g of
1 answer
904 views
the sumof three positive numbers is 26.the second number is 3times as large as the first.if te sum of the squares of these
2 answers
1,938 views
A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground at rate 2 cm/s . How fast is
0 answers
523 views
What is density of acetone at 23°C
0 answers
391 views
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.
0 answers
418 views
Battery acid is 4.27MH2SO4(AQ.) And density of 1.25g/ml . What is the molality of H2SO4 in the solution
4 answers
1,446 views
a man weighing 80 kg is standing on a trolly weighing320 kg the trolly is resting on a horizontal rails if the man start walking
0 answers
476 views
a person of mass 80 kg standing on a boat of mass 320 kg which at rest in still water the person is initially 12m from the shore
1 answer
1,827 views
why NH4+ ion is not strong ligand
2 answers
396 views
x^3-4x^2+5x-2
1 answer
278 views
An empty 5-gal water jug weights 0.75lb. with 3 c of water inside, the jug weighs 2.25 lbs. Predict the weight of the jug with 5
2 answers
2,427 views
Answers (6)
15÷2540
16
length of floor of dining space=400cm breadth=300cm area=400×300 =120000cm^2 length of tile=8cm breadth=5cm area of one tile =8×5 =40cm^2 tiles required =120000/40 =3000 tiles
let base of parallelogram =a then altitude will be=3a area of parallelogram=base × altitude =a× 3a 192=3a^2 192/3=a^2 64=a^2 8=a so,base=8cm altitude=8×3 =24cm
0.0332
thanks so much...its so easy and i've been thinking about it since the afternoon. thanks!!!!!!
