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1. Find the maximum increase in density across a shock wave for a gas with γ = 1.4.
2. A blowdown wind tunnel is supplied by a large air reservoir where the pressure is constant at 1.014×105 P a and the temperature is constant at 15°C. The air passes through a working section of area 0.04 m2 and exits to a large vacuum vessel. Find the pressure, density, velocity and mass flow rate in the working section if the Mach number there is 4.0.
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
What is the sum of the coefficients when the following equation is balanced using the lowest, whole numbered coefficients
T4 is a bacterial virus. Suppose the virus has a head group that is roughly spherical, and which contains DNA. The virus head particles were found to have the following properties at T=293 K as well as in water solution s=1025 S, D=3.6×10-8 cm2/s,..
Gaseous oxygen is held in 2 separate containers at identical temperature and pressure. The volume of container A is 7.92 L and it contains 0.209 mol of the gas. The volume of container B is 2.45 L. How many moles of the gas are in container B
what are the rates of production of P4 and H2 in this experiment?
Problem- Show how you would accomplish the following synthetic transformations. a) 1-butene to 1-bromobutane b) 2-methyl-2-butanol to 2-bromo-3-methylbutane
Calculate the number-average molecular weight of a random nitrile rubber [poly(acrylonitrile-butadiene) copolymer] in which the fraction of butadiene repeat units is 0.30; assume that this concentration corresponds to a degree of polymerization of..
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
If the imaging agent had an initial rate of 7500 decays per minute (dpm) and if the imagine required 1 hour to complete, what would the decay rate be immediately after the test is completed?
Problem- The molar heat of vaporization for benzene is 7.3 kcal/mol. How many calories are required to vaporize 425g of benzene at its boiling point
when water freezes its volume is increased by one-eleventh. in other words the volume of ice equals the sum of the
In a particular redox reaction, NO is oxidized to NO3- and Fe3 is reduced to Fe2 . Complete and balance the equation for this reaction in acidic solution. Phases are optional. NO + Fe^3+ ----->NO3^- + Fe^2+
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