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VashaNatasha [74]
2 years ago
10

(Giving Brainiest) I nep help with this assessment!

Chemistry
2 answers:
adoni [48]2 years ago
6 0

Answer:

I think it would be called environment or ecosystem

Explanation:

kotykmax [81]2 years ago
5 0

Answer:Could you give a more detailed explanation like what exactly do you need/want?

Explanation:

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Covalent bonds involve the sharing of?
4vir4ik [10]

Answer:

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

Explanation:

I hope this helps

7 0
2 years ago
How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at a pressure of 12.4 atm and a tempe
polet [3.4K]
First, we need the no.of moles of O2 = mass/molar mass of O2
                                                             = 55 g / 32 g/mol
                                                             = 1.72 mol
from the balanced equation of the reaction:
2H2 (g) + O2(g) → 2H2O(g)
we can see that the molar ratio between O2: H2O = 1: 2 
So we can get the no.of moles of H2O = 2 * moles of O2
                                                                  = 2 * 1.72 mol
                                                                  = 3.44 mol
So by substitution by this value in ideal gas formula:
PV = nRT

when P = 12.4 atm  & n H2O = 3.44 mol & R= 0.0821 & T = 85 + 273=358K

12.4 atm *V = 3.44 * 0.0821 * 358 = 8.15 L
 ∴ V ≈ 8.2 L 
4 0
3 years ago
Which pair of elements form in a conic bond with each other
Nutka1998 [239]

I think you mean ionic bond and not conic bond. The pair of elements that form an ionic bond are barium and chlorine.

3 0
3 years ago
Based on the methods used to separate the substance into its parts, is Substance U a compound?
dmitriy555 [2]

Answer: The answer is A

Explanation: No because it’s is a mixture because physical methods were used to separate its particals

3 0
3 years ago
Which of these could be an adaptive trait to help protect an organism from predators?​
saw5 [17]

Answer:

D. Is the correct Option!

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<u><em>Hope this helps!!! :)</em></u>

3 0
2 years ago
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