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Nonamiya [84]
3 years ago
9

5. The equation shows the formation of nitrogen and hydrogen. What effect does increasing the pressure have on this equilibrium?

Hint: which reaction produces fewer gas molecules?
Physics
1 answer:
bezimeni [28]3 years ago
6 0

more hydrogen and nitrogen form

Hope this helps :)

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A rotating fan completes 1200 revolutions every minute. Consider the tip of a blade, at a radius of 0.15 m. (a) Through what dis
olga55 [171]

Answer:

(a) 0.942 m

(b) 18.84 m/s

(c) 2366.3 m/s²

(d) 0.05 s

Explanation:

(a) In one revolution, it travels through one circumference, 2πr = 2 × 3.14 × 0.15 m = 0.942 m.

(b) Its frequency, f, is 1200 rev/min = \dfrac{1200}{60}rev/s = 20 rev/s.

Its angular frequency, ω = 2πf = 2π × 20 = 40π

The speed is given by

v = ωr = 40π × 0.15 = 6π = 18.84 m/s

(c) Its acceleration is given by, a = ω²r = (40π)² × 0.15 = 2366.3 m/s²

(d) The period is the inverse of the frequency because it is the time taken to complete one revolution.

T = \dfrac{1}{f}

T = 1/20 = 0.05 s

6 0
3 years ago
Intense physical activity that requires little oxygen but uses short bursts of energy is called Anaerobic exercise? True or fals
Ghella [55]
I believe that is true. Anaerobic means without (much) Oxygen. This usually builds up lactic acid in muscles.
8 0
3 years ago
Is oxygen a reactant or product
dezoksy [38]

Answer:

Methane and oxygen (oxygen is a diatomic — two-atom — element) are the reactants, while carbon dioxide and water are the products

Explanation:

3 0
3 years ago
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Carmen is helping load furniture and boxes onto a moving truck. She picks up boxes of her things, places them on a cart, and pus
SpyIntel [72]

Answer:

friction is the force she is useing

7 0
3 years ago
An air conditioner is a refrigerator with the inside of the house acting as the cold reservoir and the outside atmosphere acting
Monica [59]

Answer:

1.89*10^8 J

Explanation:

The coefficient of performance of this device is \frac{Q}{W} where Q .is the useful heat supplied or removed by the considered system and W  is the work required by the considered system.

Step 1

Coeffiecient of perfromance for cooling (COPC) = 1.75 = \frac{Q}{W} .

                                                     Q = 1.75W

Step 2

We convert day into seconds:

1 day = 24 hrs = 86400 seconds

Step 3

Heat that can be extracted from the house in a day is:

Q = 1.75 * 1.25 * 10^3 * 86400 =  189000000 = 1.89*10^8 J

8 0
3 years ago
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