4 years ago

How many moles of h2o will be produced from 42.0 grams of h2o2

Chemistry

2 answers:

Leona [35]4 years ago

7 0

44.6 molecules of oxygen will be prodused

lisabon 2012 [21]4 years ago

5 0

The answer is 44.6 mol

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3 years ago

An airplane travels 2100 km at 1000km/hE. It encounters a wind and slows to 800 km/h E for the next 1300 km. What is the average

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Average velocity is the rate of change of displacement with time. That is,

Average velocity = $\frac{Displacement }{Change in time}$ = Δx / Δt = $\frac{x2 - x1}{t2 - t1}$

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From,

Velocity = $\frac{Distance traveled}{Time taken}$

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Therefore, Time = $\frac{2100km }{1000km/h}$

Time = 2.1h

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Hence, t1 = 2.1h

Now, For the time taken by the airplane when it encounters a wind

Also from,

Velocity = $\frac{Distance traveled}{Time taken}$

Time = $\frac{Distance traveled}{Velocity}$

Therefore, Time = $\frac{1300km }{800km/h}$

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Hence, t2 = 1.625h

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3 years ago