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kolbaska11 [484]
3 years ago
7

Look closely at the rock cycle above. Imagine this rock forms just outside of the igneous intrusion at step D.

Chemistry
1 answer:
Allushta [10]3 years ago
7 0

D) Metamorphic: formed outside the igneous intrusion; re-crystalization.

Explanation:

The rock is most likely a metamorphic rock based on where it most likely formed. Metamorphic rocks are usually formed outside of igneous intrusions as a result of the re-crystallization of the protolith surrounding the intrusive body.

  • A metamorphic rock is a changed rock that forms under intense temperature and pressure.
  • The presence of fluids is an added advantage and this causes new minerals to grow and the old ones to re-crystallize.
  • An igneous intrusion like any magmatic body is predominantly known for their elevated temperature.
  • They are formed deep within the crust and have very high temperature.
  • When crystallize and intrusive body piercing through rocks they cause a metamorphic change in the area of the nearby country rock protolith.
  • Therefore, we expect to find a metamorphic rock around the vicinity of the intrusion.

Learn more:

Metamorphic process brainly.com/question/869769

#learnwithBrainly

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What is the molar ratio for the following equation after it has been properly balanced?
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The answer 
<span>the molar ratio for the following equation 
____C3H8 + ____O2 Imported Asset ____CO2 + ____ H2O

</span>after it has been properly balanced:
__1_C3H8 + ____5O2 Imported Asset ____3CO2 + ____ 4H2O

proof:
number of C =3  (C3H8;   3CO2)
number of H =8 (C3H8 ; 4H2O)
number of O = 10(5x2) or (2x3+4)  (5O2;4H2O)

the answer is 
<span>Reactants: C3H8 = 1, O2 = 8; Products: CO2 = 3 and H2O = 4</span>
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2 years ago
What mass in grams would 5.7L of hydrogen gas occupy at STP?​
tekilochka [14]

Answer:  The correct answer is:  " 0.54 g " .

__________________________________________

Explanation:

Note that "hydrogen gas" is:  

H₂ (g)  ;   that is:  a "diatomic element" (diatomic gas) ;

_________________________________________

The molecular weight of "H" is:  1.00794 g ;

   (From the Periodic Table of Elements).

So, the molecular weight of:  H₂ (g)  is:

    " 1.00794 g * 2  = 2.01588 g ; {use calculator) ;

_________________________________________

Note the conversion for a gas at STP:

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  1 mol of a gas = 22.4 L gas;

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i.e. " 1 mol / 22.4 L " ;

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So:     " 5.7 L H₂ (g)  *  \frac{1 mol H_{2} }{22.4 L} *\frac{2.01588 g}{mol} =? ;

The "L" ("literes" cancel out to "1" ;  since "L/L = 1 ;

The "mol" (moles) cancel out to "1" ; since "mol/mol = 1 ;

____

and we are left with:

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 [5.7 * 2.104588 g ] / 22.4  =  ?  g ;

______________________

→ [ 11.9961516  g ] / 22.4 =

          0.53554248214  g ;l

_____________________________

We round this value to:  " 0.54 g " ;

 → since "5.7 L " has 2 (two) significant figures;  

     22.4 is an exact number conversion;

     and "5.7 L" has fewer significant figures than:

    " 2.104588 " ; or:  " 1.00794 " .

  → as such: We round to "2 (two) significant figures."

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Hope this is helpful.  Wishing you the best in your academic endeavors!

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