PLS HELP MATCH CONVERSIONS 1 km/1000 m
7.5 m to km
3.875 g to mg
1000 m/1 km
1 g/1000 mg
50 mL to L
7.5 L into mL
1000 mL/1L
750 km to m
1 g/1000 mg
0.3 mg
1 L/1000 mL

One does not belong why? ice, gold ,wood ,diamond and table salt

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?