8. __H2 + __O2-> __H2O 9. __K2SO4 + __H2-> __H2SO4 + __K

10. __NO2 + __H2O-> __HNO3 + __NO

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

Can someone me with 1 to 4 plz. fast