Answer:
2. Behavioral Adaption
Explanation:
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Answer:
18.45L
Explanation:
V1 = 12.3L
T1 = 40K
T2 = 60K
V2 = ?
This question involves the use of Charles law which states that the volume of a fixed mass of gas is directly proportional to its temperature provided that pressure remains constant.
Mathematically,
V = kT k = V/T
V1 / T1 = V2 / T2 = V3 / T3 =.......=Vn / Tn
V1 / T1 = V2 / T2
V2 = (V1 × T2) / T1
V2 = (12.3 × 60) / 40
V2 = 18.45L
The final volume of the gas is 18.45L
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Answer:
The volume of ethanol is 29.14 mL.
Explanation:
Density:
Density is equal to the mass of substance divided by its volume.
Units:
SI unit of density is Kg/m3.
Other units are given below,
g/cm3, g/mL , kg/L
Formula:
D=m/v
D= density
m=mass
V=volume
Symbol:
The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.
Given data:
mass of ethanol = 23 g
density = 0.7893 g/mL
volume= ?
Now we will put the values in the formula,
d= m/v
v = m/d
v = 23 g/ 0.7893 g/mL
v = 29.14 mL
The volume of ethanol is 29.14 mL.
