2 brothers take can complete a task in 54 and a half minutes. The elder brother take 15 minutes less than the younger one to complete the work alone. Form a quadratic equation to represent this situation if we were to find the time taken by each of them separately ?
Answers
Answered by
1
Step-by-step explanation:
hlo mate here's your answer
Solution
From Graham’s law, we have:
rate of effusion of hydrogen
rate of effusion of oxygen
=
√
1.43
g L
−
1
√
0.0899
g L
−
1
=
1.20
0.300
=
4
1
rate of effusion of hydrogen
Using molar masses:
rate of effusion of hydrogen
rate of effusion of oxygen
=
√
32
g mol
−
1
√
2
mol L
−
1
=
√
16
√
1
=
4
1
rate of effusion of hydrogen
Hydrogen effuses four times as rapidly as oxygen.
I hope its help you mark as brainlist plz
Answered by
3
Answer:
Determine graphically the co ordinates of the vertices of the triangle formed by the equation whose sides are y = x; y = 2x; x+y = 6. (Also area and co-ordinates)
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