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777dan777 [17]
3 years ago
7

A train travels 300 miles in 6 hours what is the trains average speed

Chemistry
2 answers:
Vladimir [108]3 years ago
6 0

Answer:

50 miles

Explanation:

Anna007 [38]3 years ago
4 0

Answer:

The average speed per hour is 50 miles

Explanation:

6x 50= 300

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How many grams of ammonia produced from 1000 grams of N2?
sleet_krkn [62]

Answer:

N2 + 3H2 ———> 2NH3

As we know 1000 grams ammonia is 58.82 moles so according to unitary method,

2 mole NH3 formed by 1 mole N2 hence 58.82 NH3 will be given by 29.41 moles N2.

No. Of moles = given mass/molar mass

Implies that

Mass of nitrogen required = 29.41*28 = 823.48 grams.

Explanation:

5 0
2 years ago
a) One kmol of N2O4 dissociates at 25℃, 1 atm to form an equilibrium ideal gas mixture of N2O4 and NO2 in which the amount of N2
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Answer:

neq N2O4 = 0.9795 mol.....P = 0.5 atm; T = 25°C

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             ni      change    eq.

N2O4    1          1 - x       0.8154.....P = 1 atm; T = 25°C

NO2      0        0 + x          x

∴ x = neq = Peq.V / R.T.....ideal gas mix

if P = 0.5 atm, T = 25°C; assuming: V = 1 L

⇒ x = neq = ((0.5 atm)(1 L))/((0.082 atm.L/K.mol)(298 K))

⇒ x = neq = 0.0205 mol

⇒ neq N2O4 = 1 - x = 1 - 0.0205 = 0.9795 mol

3 0
3 years ago
Is centigrams or grams bigger.<br> example: which unit is larger.<br> 35cg or 35 g
sp2606 [1]

Answer:

35g

Explanation:

5 0
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