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nadezda [96]
3 years ago
12

BTW IT IS SCIENCE

Chemistry
2 answers:
labwork [276]3 years ago
8 0
The warm air rises and the cold air sinks.
Sliva [168]3 years ago
4 0
The answer is A warm air rises cool air sinks

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What is the main function of the cell membrane in an animal cell?
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A cell's plasma membrane, also known as the cell membrane, provides protection. It also maintains a constant atmosphere within the cell, and the membrane serves a variety of purposes. The first is to transport nutrients into the cell, and the second is to transport toxic compounds out

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Draw all resonance structures for the nitryl fluoride molecule, no2f.
denis-greek [22]
From  electronic  configuration valence electron of  Nitrogen is 5,  oxygen  6x2  which 12 since it  involve  two  molecules ,  that of is frulorine is  7, and  that No2F is 24  which  is  gotten  form  adding (5,12,7  ).All  resonance structure  are  as  follows
       F
 ..    I    ..
: O : N :O: 
 
              ..
     OR  : F:
              I                             

             N                                                  ..                                                                                                                                    : F:

          /         \                        or                   I

   ..                 ..                                               N

:O  :            :O:                                       / /        \\
                                                            / /               \\
                                                         :O :            :  O:
7 0
4 years ago
How many moles of water are produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas?
ASHA 777 [7]
How many moles of water at produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas the answer is D
5 0
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