A colloid formed with liquid particles dispersed in a gas is known as a(n):
A. aerosol
B. emulsion
C. foam
D.sol
E. gel
When liquid is dissolved in the air it is known as
Aerosol.
For example - ROOM FRESHNER
A colloid formed with liquid particles dispersed in a gas is known as a(n): A. aerosol...
Aerosols form when a liquid is dispersed in air as small suspended droplets. Aerosols are (A) gaseous solutions. (B) heterogeneous mixtures of liquid water and gaseous air. (C) compounds. (D) homogeneous mixtures of gases comprising air. (E) heterogeneous mixtures of gases comprising air.
Pb2. Consider the case of a canonical ensemble of N gas particles confined to a t rectangular parallelepiped of lengths: a, b, and c. The energy, which is the translational kinetic energy, is given by: o a where h is the Planck's constant, m the mass of the particle, and nx, ny ,nz are integer numbers running from 1 to +oo, (a) Calculate the canonical partition function, qi, for one particle by considering an integral approach for the calculation of...
Dichlorodifluoromethane (CCl2F2, 120.91 g/mol) is a refrigerant and aerosol spray propellant that is commercially known as Freon-12. What is the density of CCl2F2 at 878 torr and 32.0°C? a. 5.60 g/L d. 39.9 g/L b. 53.4 g/L e. 5.40 g/L c. 4.18 g/L
2.) The electrophoretic mobility of colloid particles was measured in a 0.01 mol/dm3 KCI 4 x 10-8 m2/s V. solution and determined to be u Find K fronm the formula K-2.32 x 109 (21)1/2( mrl) (4 points) a. b. For a particle of radius 500nm, what is KR value? (4 points) If KR << 1, ζ 3ηυ/2e, or if KR >>1, then ζ-nu/e. Find the zeta (5) potential in V for particle of radius 500 nm by choosing appropriate formula...
3) Relativistic Particles Consider a gas of N relativistic particles with Hamiltonian rn n= where c is the speed of light, m is the rest mass, and pn is the momentum, with pn (Pnz, Pny, pns) and p; = pn . pn-Ping +pny +Pie. Show that p2e2 = 3kgT.
3. Determine the number of gas particles (N) for the following: {Not moles...} a. 0.10kg of Ar b. 0.010kg of O2 C. 0.15kg of CO2 d. 1.0kg methane (CH4)
1) Consider a uniform system of extremely relativistic (i.e., &p=cp) Bose gas with N particles in three-dimensions. (a) Calculate the density of states using the formula D(e) - .86 - c). (b) Find the Bose-Einstein condensation temperature T.. (e) Find the fraction of condensed bosons No/N as a function of T/T. (d) Find the total energy (E) for T <T.
An ideal gas enclosed in a volume V is composed of N identical particles in equilibrium at temperature T. (a) Write down the N-particle classical partition function Z in terms of the single-particle partition function ζ, and show that Z it can be written as ln(Z)=N(ln (V/N) + 3/2ln(T)+σ (1) where σ does not depend on either N, T or V . (b) From Equation 1 derive the mean energy E, the equation of state of the ideal gas and...
2. A sample of N, gas is contaminated with a gas (A) of unknown momama. pressure of each gas is known to be 200. torr at 25°C. The gases are allowed to effuse through a pinhole, and it is found that gas A escapes at three times the rate of N, The molar mass of gas A is: A) 3.11 B) 252 C) 84.0 D) 9.33 E) none of these 2. A sample of N, gas is contaminated with a...
Problem 3: (40 points) One-dimensional relativistic gas: Here we consider a non-interacting gas of N relativistic particles in one dimension. The gas is confined in a container of length L, i.e., the coordinate of each particle is limited to 0 <q < L. The energy of the ith particle is given by ε = c (a) Calculate the single particle partition function Z(T,L) for given energy E and particle number N. [12 points] (b) Calculate the average energy E and...