Convert a speed of 857 mi/h to units of feet per minute. Also, show the unit analysis by dragging components into the unit-factor slots.
Answer Bank
857 mi
х
1 h
f)x()
1 min
60 s
12 in
60 min
1 mi
3 ft
1 h
60 h
5280 ft
1 ft
857 mi/h =
ft
min

The answer would be 75,416 feet / minute.

And the conversion would be: 857 miles / 1 h = (1h / 60 minutes) (5280 feet / 1 mile)

Explanation:

Conversion factors are mathematical operations used to make unit changes of the same magnitude, in magnitudes of weight, time, or length. etc.

It consists of multiplying one or more fractions several times in which the numerator and the denominator are equal quantities expressed in different ways.

For example: 1 hour = 60 minutes = 3600 seconds.

857 miles / 1 hr = (1h / 60 minutes) (5280 feet / 1 mile)

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answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :