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Viktor [21]
3 years ago
10

What do you notice about the elements on the reactant and product side of the equation

Chemistry
2 answers:
Levart [38]3 years ago
4 0
There is the same overall number of atoms of each element on the reactants side as on the products side, they are simply rearranged. Also, mass is conserved as atoms cannot be created or destroyed by a chemical reaction.  
Basile [38]3 years ago
4 0
What goes in, must come out. So the elements on the right hand side, are also on the left hand side. Just bonded differently
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+30 points
solong [7]

Answer:

where a cold air mass is replacing a warmer air mass. ... The air behind a cold front is noticeably colder and drier than the air ahead of it. When a cold front passes through, temperatures can drop more than 15 degrees within the first hour.

Explanation:

The effects from a cold front can last from hours to days. The air behind the front is cooler than the air it is replacing and the warm air is forced to rise, so it cools. As the cooler air cannot hold as much moisture as warm air, clouds form and rain occurs.

3 0
2 years ago
Determine if the bond between each pairs of atoms would be pure covalent, polar covalent, or ionic. n and se
Sveta_85 [38]

Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Covalent Bond

                

                Between 0.4 and 1.7 then it is Polar Covalent Bond

            

                Greater than 1.7 then it is Ionic

 

For N and Se,

                    E.N of Nitrogen         =   3.04

                    E.N of Selenium        =   2.55

                                                   ________

                    E.N Difference             0.49          (Weakly Polar Covalent)


As you have not provided remaining pairs, so if you have any of them, follow the method as mentioned above.

3 0
3 years ago
Please help me!!!!!!!!
Oksanka [162]
Your answer would be surface runoff 
5 0
3 years ago
N₂ + 3H2 → 2NH3
Rainbow [258]

Answer:

187 moles NH₃

Explanation:

To find the amount of ammonia formed, you need to multiply the given value by the mole-to-mole ratio consisting of both relevant molecules. The mole-to-mole ratio is made up of the molecules' coefficients in the balanced equation. The desired unit should be placed in the numerator of the ratio. The final answer should have 3 sig figs to reflect the lowest amount of sig figs among the given values.

1 N₂ + 3 H₂ ----> 2 NH₃
^                         ^

93.5 moles N₂          2 moles NH₃
----------------------  x  -------------------------  =  187 moles NH₃
                                    1 mole N₂

3 0
1 year ago
Read 2 more answers
1) What happened around 10,000 years ago that changed the way many humans live?
love history [14]
The answer is C

Hope it helps ;)
3 0
3 years ago
Read 2 more answers
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