The soldier and explorer whose leadership in establishing French colonies earned him the title "Father of New France" was
A. Samuel de Champlain.
B. Robert de La Salle.
C. Antoine Cadillac.
D. Des Moines.
E. Edward Vincennes.
Answer: A
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In a traditional carpentry apprenticeship program, the total number of OJL hours required is _____
a. 500 b. 2,000 c. 4,000 d. 8,000
This problem concerns a compound that has the following physical properties:
Critical Temperature = 1000 K Critical Pressure = 100 bar Vapor pressure at 450 K = 4 bar Molar Volume of saturated liquid at 450 K = 300 cm3/mol Enthalpy of vaporization at 450 K = 15 kJ/mol In the VAPOR and GASEOUS states only, it is described by the equation of state: Z = 1 + BP + CP2 Where B = -0.02 bar-1 and C = 0.0005 bar-2 A) Derive an algebraic (i.e., no differentials or integrals) expression for the fugacity of the compound in the gas/vapor state as a function of temperature, pressure, and known constants. B) Use the Clausius-Clapeyron equation to calculate the vapor pressure of this compound at 500 K. C) List the assumptions made in the derivation of the Clausius-Clapeyron equation and comment on how good or bad they are for the example in part B. D) Give your best estimate of the fugacity of this compound in the LIQUID phase at T=500 K and P=50 bar. You may assume your answer to part B is a correct vapor pressure, even if in part C you expressed reservations about its accuracy.
Begin cultivation as soon as weeds or grass break through the soil
Indicate whether the statement is true or false.
What is the most common form in which fertilizer is sold?
What will be an ideal response?