Answer:
C2H5OH(l)+3O2(g)⟶2CO2+3H2O(l)
Explanation:
It can be oxygen in only 1 atom. All elements on the periodic table can stand alone in one atom.
(I took a lucky guess, using some of my knowledge about elements )
Answer:
9g
Explanation:
Since..., Density = mass/volume
;Firstly calculate the volume change of the water when the metal is placed in,
;Volume = 26.47 - 21.25
;Volume = 5.22 mL
Hence the mass of the ore;
; Making mass the subject of formula in the above equation,
Mass = Density × Volume
; Mass = 1.72 × 5.22
; Hence the mass = 8.9784
= 9g
Answer:
it helps us with our blood (Little)
When cohesive force is stronger than the adhesive force: concave up meniscus, water forms droplets on surface
