28. How are nitrogen molecules arranged in explosive molecules? Why? 1 point
(1) The nitrogen atoms are bonded to each other inside the compound to release
energy when the bond is broken.
(2) The nitrogen atoms are bonded to each other inside the compound to absorb
energy when the bond is broken.
(3) The nitrogen atoms are kept far away from each other inside the compound so
energy is released when a bond between them is formed.
(4) The nitrogen atoms are kept far away from each other inside the compound so
energy is absorbed when a bond between them is formed.

according to kinetic-molecular theory, the following would not be considered an ideal gas:

a gas at very low volumes, when gas particles are very close together

a gas at very low temperatures, when gas particles have very little kinetic energy a gas

a gas with highly polar molecules that have very strong intermolecular forces

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"you start with 15.67 g mgco3-xh2o, when heated and all the water is removed, you are left with 7.58 g mgco3 only.

therefore, you had 15.67 - 7.58 = 8.09g h2o  

moles of each :

7.58g mgco3 = ? moles = 7.58g / 83.4g/mole = 0.09moles  

8 09g h2o = ? moles = 8.09g / 18g/mole = 0.44moles  

molar ratio between the two by dividing both numbers by the smallest number :

0.09 / 0.09 = 1  

0.44 / 0.09 = 4.8  

mgco3-5h2o"

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