A compound is found to be 30. 45% n and 69. 55 % o by mass. If 1. 63 g of this compound occupy 389 ml at 0. 00°c and 775 mm hg, what is the molecular formula of the compound?.

What is the measure of ∠m? 81° 65° 53° 98° answer plz

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

How do we determine if they are made with matter