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NISA [10]
4 years ago
9

All rocks form deep beneath Earth's surface. True or False

Chemistry
2 answers:
RoseWind [281]4 years ago
7 0
The answer to your question is true. I hope this helps!
4vir4ik [10]4 years ago
5 0
False is your answer :)
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Lorek lives near the North Pole. The snow in his backyard adds water to the atomosphere through______.
Elis [28]
Hello :))

Your question was:Lorek lives near the North Pole. The snow in his backyard adds water to the atomosphere through______.
The answer is: Sublimation

Hope this helps!
Good day! :D
3 0
3 years ago
How many moles of ethane, C2H6, are present if the reaction conditions are 305 K, 1.3 atm, and 2.5 L of ethane, C2H6
Xelga [282]

Answer:

n = 0.13 moles of C2H6

grams = 11 g of CO2

Explanation:

6 0
2 years ago
Given the equation 2mg(s) + o2(g) → 2mgo(s) + 72.3 kj, how much heat is involved in the production of 5.0 mol of mgo? question 2
Rudik [331]
The heat is involved   in the  production of 5.0 mol of MgO  is   180 Kj

               calculation

2 Mg (s)   +O2 → 2 MgO

From  the  equation  above two  moles    of MgO  is used  therefore   

72.3   is for   2   moles

that is   72.3  kj =  2moles
                  ?      = 5  moles 

by  cross  multiplication

= 72.3  kj × 5/2     = 180  Kj  
    

7 0
3 years ago
Which of the following elements has the greatest ionization energy
Elanso [62]

Answer:

k(potassium) has the greatest ionization energy

3 0
3 years ago
Does the element cobalt have a odor?
erastovalidia [21]
No, in its solid state cobalt does not have an odor, and I'm pretty sure that it doesn't have an odor in its other states either.  
6 0
3 years ago
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