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3 years ago

8

What is the difference between minerals and rocks?

1 answer:

Natasha2012 [34]3 years ago

7 0

What's the difference between rocks and minerals?A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by a geological processes. A rock is an aggregate of one or more minerals where as a rock may also include organic remains and mineraloids.

I hope this helps

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The Ostwald process for the commercial production of nitric acid from ammonia and oxygen involves the following steps:

bagirrra123 [75]

Answer:

$12 NH_3 (g)+ 21 O_2 (g) + \longrightarrow 14 H_2O (l) + 8 HNO_3 (g) + 4 NO (g)$

Explanation:

The steps of the Ostwald process:

$4 NH_3 (g) + 5 O_2 (g) \longrightarrow 4 NO (g) + 6 H_2O (g)$

$2 NO (g) + O_2 (g) \longrightarrow 2 NO_2 (g)$

$3 NO_2 (g) + H_2O (l) \longrightarrow 2 HNO_3 (g) + NO (g)$

Combinning the equations:

$4 NH_3 (g) + 5 O_2 (g) \longrightarrow 4 NO (g) + 6 H_2O (g)$

+

$(2 NO (g) + O_2 (g) \longrightarrow 2 NO_2 (g))*2$

+

$(3 NO_2 (g) + H_2O (l) \longrightarrow 2 HNO_3 (g) + NO (g))*4/3$

=

$4 NH_3 (g)+ 4 NO (g)+ 7 O_2 (g) + 4 NO_2 (g) +4/3 H_2O (l) \longrightarrow 4 NO (g) + 6 H_2O (g) + 4 NO_2(g) + 8/3 HNO_3 (g) + 4/3 NO (g)$

Simplifying:

$4 NH_3 (g)+ 7 O_2 (g) + \longrightarrow 14/3 H_2O (l) + 8/3 HNO_3 (g) + 4/3 NO (g)$

$12 NH_3 (g)+ 21 O_2 (g) + \longrightarrow 14 H_2O (l) + 8 HNO_3 (g) + 4 NO (g)$

The overall reaction is endothermic becuase the formation of new chemical bonds requires energy consumption.

4 0

3 years ago

In a particular redox reaction, Cr is oxidized to CrO42– and Cu2 is reduced to Cu . Complete and balance the equation for this r

Alisiya [41]

<span> Cr + Cu2+ = CrO42- + Cu+

</span>

8 0

3 years ago

FOR LondonCreamCakes<br> no sure if its right but im trying to help.. lol dont mind all the tabs

MAVERICK [17]

Answer:

It kinda helps but not really

Thanks for trying anyway doe!

Explanation:

7 0

3 years ago

Name this chemical reaction H2 + 2 AgNO3 → 2 Ag + 2 HNO3

gulaghasi [49]

Answer:

Single Replacement Reaction

Explanation:

simply because only 1 element switched places.

6 0

3 years ago

Pick the TWO conversions which are exact. 1 yd = 36 in 454 g = 1 lb 1 kg = 1000 g 1 kg = 2.204 lb

Alexeev081 [22]

1 yd = 36 in and 1 kg = 1000 g

Hope this helps!

5 0

3 years ago

Read 2 more answers