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nadezda [96]
3 years ago
14

What is the velocity of 10km west in three hours

Chemistry
2 answers:
Nina [5.8K]3 years ago
7 0
I think 3.33 maybe ‍♀️
aleksklad [387]3 years ago
4 0

Answer:

3.33km/h

Explanation:

Velocity = d/t

=10/3

=3.33km/h

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Nitric acid is produced commercially by the Ostwald process, represented by the following equations. 4 NH3(g) + 5 O2(g) 4 NO(g)
Marrrta [24]

Answer:

The answer to your question is: 1538095.2 kg of NH3

Explanation:

MW HNO3 = 63 kg

MW NO2 = 46 kg

                         3 NO2(g) + H2O(l)--- 2 HNO3(aq) + NO(g)

                            3(46) kg--------------   2(63) kg  

                                  x     ---------------  7600000 kg

           x = 7600000 x 138/126 = 8323809.5 kg og NO2

MW NO = 30            

                         2 NO(g) + O2(g)---2 NO2(g)

                       2(30) ------------------2(46)

                        x        ---------------- 8323809.5 kg  

             x = 8323809.5 x 60/92 = 5428571.4 kg of NO

MW NH3 = 17 kg

                      4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g)

                       4(17) -------------------- 4(30)

                         x ----------------------- 5428571.4

x = 5428571.4 x 34 / 120

x = 1538095.2 kg of NH3

4 0
2 years ago
True or false. elements in the same period have the same number of valence electrons
saul85 [17]
False. elements in the same period have the same number of shells while elements in the same group have the same number of valence electrons.
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Answer:

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Explanation:

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