The compounds CH3OCH3 and CH3CH2OH are isomers of each other. These two compounds must have the same (1) density (3) melting poi
2 answers:
Answer: (4) molecular formula
Explanation:-
1. Density of a substance is defined as the mass contained per unit volume.
2. Melting point is the temperature at which solid start changing to liquid phase.
3. Reactivity of an element is defined as the ability to lose or gain electrons.
4. The compounds having similar molecular formula but different arrangement of atoms or groups in space are called isomers.
and
are functional isomers which have same molecular formula but different functional groups namely ether and alcohol respectively.
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Answer:
Explanation:
Given that:
the temperature = 250 °C= ( 250+ 273.15 ) K = 523.15 K
Pressure = 1800 kPa
a)
The truncated viral equation is expressed as:
where; B = - C = -5800
R = 8.314 × 10³ cm³ kPa. K⁻¹.mol⁻¹
Plugging all our values; we have
Multiplying through with V² ; we have
V = 2250.06 cm³ mol⁻¹
Z =
Z =
Z = 0.931
b) The truncated virial equation [Eq. (3.36)], with a value of B from the generalized Pitzer correlation [Eqs. (3.58)–(3.62)].
The generalized Pitzer correlation is :
The compressibility is calculated as:
Z = 0.9386
V = 2268.01 cm³ mol⁻¹
c) From the steam tables (App. E).
At
V = 0.1249 m³/ kg
M (molecular weight) = 18.015 gm/mol
V = 0.1249 × 10³ × 18.015
V = 2250.07 cm³/mol⁻¹
R = 729.77 J/kg.K
Z =
Z =
Z = 0.588