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EMMANUEL

Questions (12)

DISCRIBE A SINGLE EXPERIMENT TO SHOW THAT EXPIRED AIR CONTAINS WATER
1. 1 answer
2. 96 views
Describe how aqueous zinc tetraoxosulphate (VI) could be obtained from copper( II) tetraoxosulphate (VI) solution
1. 1 answer
2. 142 views
CACULATE THE PERCENTAGE BY MASS OFALL THE COMPONET ELEMENT IN SODIUM HYDROXODE NA=23,=O=16 H=1
1. 1 answer
2. 282 views
Find correct to 1 decimal place, the acute angle between the lines 2x + y = 4 and -3x + y + 7 =0
1. 3 answers
2. 410 views
STEPS ON CALCULATING DEHYDRATION OF CRYSTALS
1. 1 answer
2. 408 views
A is a solution of trioxonitrate (V) acid. HNO of unknown concentration B is standard solution of sodium hydroxide containing
1. 1 answer
2. 1,088 views
0.5mols of a mono alkanoicacid weighs 44 grams, determine the molecular formula and name the acid. (show the workings)
1. 0 answers
2. 570 views
0.5mols of a mono alkanoicacid weighs 44 grams, determine the molecular formula and name the acid. (show the workings)
1. 1 answer
2. 571 views
A mass of 2kg is dropped from a height of 3m.Neglecting air resistance,KE of the stone just b4 it hits the ground is ?
1. 3 answers
2. 1,027 views
FIND THE LENGTH OF AN ARC ANGLE IS 60 DEGREE AT THE CENTRE OF A CIRCLE OF RADIUS 3CENTIMETRE
1. 1 answer
2. 462 views
IF 810 BOYS WEED A PLOT OF LAND IN 4 YEARS, HOW MANY YEARS WOULD IT TAKE 1080 BOYS TO WEED THAT SAME PLOT OF LAND?
1. 1 answer
2. 478 views
A uniform rod (AB) of mass 80kg and 1.0m lenght is supported on the 2 knife edges placed 15.0cm from its ends. what will be the
1. 1 answer
2. 596 views

Answers (3)

YES
S=1/2*g*t*t, h=1/2*10*7*7 h=5*49=245m
AN INDIVIDUAL LIVING THINS IS A(N)

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