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GuDViN [60]
2 years ago
8

Q1- Classify each of the molecules given below by molecular geometry.

Chemistry
1 answer:
Ludmilka [50]2 years ago
3 0
It would be carbon dioxide codd2 for the molecules
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How many moles of aluminum oxide will be formed from 17 moles of aluminum reaction?
Ainat [17]

Answer:

8.5 moles of Al₂O₃ will formed

Explanation:

Given data:

Number of moles of Al = 17 mol

Number of moles of Al₂O₃ formed = ?

Solution:

Chemical equation:

4Al  +  3O₂     →     2Al₂O₃

Now we will compare the moles of Al₂O₃  with Al.

                  Al            :            Al₂O₃      

                   4            :              2

                   17           :            2/4×17 = 8.5 mol

8.5 moles of Al₂O₃ will formed.    

7 0
3 years ago
What is the Factor Label Method?
Soloha48 [4]
A method of converting one unit of measurement to another, like liters to milliliters.
7 0
3 years ago
A balloon contains 269.7 L of helium at 6.12ºC and 1.00 atm. What is the temperature (in ºC) of the gas if the volume has increa
MatroZZZ [7]

Answer:

T2= 7.3°C

Explanation:

To solve this problem we will use Charles law equation i.e,

V1/T1 = V2/T2    

Given data

V1 = 269.7 L

T1 = 6.12 °C

V2= 320.4 L

T2=?

Solution:

Now we will put the values in equation

269.7 L / 6.12°C  = 320.4 L / T2

T2=  320.4 L × 6.12°C/ 269.7 L

T2= 1960.85 °C. L /269.7 L

T2= 7.3°C

3 0
2 years ago
One of the steps in processing some metals is smelting. what does smelting do for a metal?
vichka [17]
Hey there,
Smelting's main use is to produce a base metal from its ore

Hope this helps :))

~Top
8 0
3 years ago
If there are 7 moles of copper dissolved in 15 moles of zinc to make 22 moles of a brass solution. What is the mole fraction of
iragen [17]
Mole fraction of copper is 7/22
6 0
3 years ago
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