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pogonyaev
2 years ago
12

I need help with this question please someone tell me the answer for this

Chemistry
1 answer:
Andrej [43]2 years ago
5 0
Aueyeowosy yo this is my answer

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Consider the reaction 2 al + Fe2O3 to 2Fe + Al2O3. If 60.0g of Al is reacted with excess Fe2O3, determine the amount (in moles)
olganol [36]

 The  amount  of  Al2O3  in moles=  1.11 moles    while in  grams   = 113.22 grams


    <em><u>calculation</u></em>

     2 Al  + Fe2O3 → 2Fe  + Al2O3

    step  1: find the moles of Al  by  use of <u><em>moles= mass/molar  mass  </em></u>formula

    =  60.0/27= 2.22  moles


    Step 2: use the mole ratio to determine the  moles of Al2O3.

 The  mole ratio  of Al : Al2O3 is  2: 1 therefore the moles of Al2O3= 2.22/2=1.11  moles


Step 3:    finds the mass  of  Al2O3  by us of  <u><em>mass= moles x molar mass</em></u><em> </em>formula.

The molar  mass of Al2O3  =  (2x27)  +( 16 x3) = 102  g/mol

mass is therefore=  102  g/mol  x 1.11= 113.22 grams


             

7 0
2 years ago
Parents should avoid sharing their own mistakes with children. True/false
Vesna [10]
Parents SHOULDN'T avoid sharing their own mistakes with children.
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3 years ago
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Dependent variable? ( what did we measore)?
lana66690 [7]
The thing u change.
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2 years ago
Three factors affecting gas pressure are the amount of gas, temperature, and __________.
Olenka [21]
It's A. volume
Pressure = \frac{moles * const * temperature}{volume}
with const depends on the chosen unit of volume
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2 years ago
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Given the diagrams X, Y, and Z below:
liq [111]

Answer: The answer is Z only

I’m assuming the answer choices are

1) x only

2) Z only - the answer

3) X and Y

4) X and Z

Explanation:

5 0
3 years ago
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