The link below is a picture of the "Waning gibbus" phase, really hope that it helps you out :D
HCl = H⁺ + Cl⁻
c(HCl)=1.00*10⁻⁴ mol/l
[H⁺]=c(HCl)=1.00*10⁻⁴ mol/l
pH=-lg[H⁺]
pH=-lg(1.00*10⁻⁴)=4
pH=4
Answer:- density of the liquid is 0.21 gram per mL.
Solution:-
From given data, mass of cylinder = 10.4 g
mass of cylinder along with liquid = 11.7 g
So, mass of liquid = 11.7 g - 10.4 g = 1.3 g
Volume of liquid = 6.2 mL
Let's divide the mass by the volume to get the density of the liquid:
density =
So, the density of the liquid is 0.21 gram per mL.
Answer:
In general, the atomic radius decreases as we move from left to right in a period and it increases when we go down a group. This is because in periods the valence electrons are in the same outermost shell. The atomic number increases within the same period while moving from left to right which in turn increases the effective nuclear charge.
Explanation: