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Question: Hydrogen enters a nozzle with a very low velocity and at a temperature and pressure of 3800°R and 1000 psia, respectively. The pressure on the exit plane of the nozzle is 2 psia. Calculate the hydrogen flow rate per unit nozzle exit area. The flow through the nozzle can be assumed to be isentropic.
What is the Kc for the following equilibrium CO2+H2=CO+H2O if CO=0.24M, H2O=0.38m, CO2=0.30M and H2O=3.3*10-2M
What would the pH of a raindrop be if the concentration of CO2 increases to 600 ppm at 20 degrees C? Show all steps.
Question- A power plant using an ideal Rankine power generation cycle operates at an evaporator pressure of 10 MPa with an outlet temperature of 900°C in the evaporator.
Calculate the mass of FeS formed when 9.42 g of Fe reacts with 8.50 g of S. Hydroxylamine nitrate contains 29.17 mass % N, 4.20 mass % H, and 66.63 mass % O. Determine its empirical formula.
A 7.00 ft3 tank of octane (3.51 lb-mol of octane) combusts, what volume of carbon dioxide is produced at 99.0°F and 14.60 psi?
If an FM radio station broadcasts at a frequency of 93.6MHz (1MHz=106 Hz or cycles per second). Explain what is the wavelength of the radiation in meters
One liter of 1M acetate buffer at pH = 4.5 is mixed with 600 ml of .5M acetate buffer at pH = 4.8 and then one liter of HCl (0.1M) is added. What is the pH of the final solution?
Calculate the standard biological potential of NAD+/NADH couple at 25oC from the standard reduction potential- NAD+(aq) + H+(aq) + 2e- --> NADH(aq), Eo = -0.11V
How many moles of AgCl(s) will dissolve in 1.00L of 0.100 M NaCN and what are the concentration of the various ions in solution. K = 7.08 x 1019 for the reaction Ag+(aq) + 2 CN- ? Ag(CN)2-
Write any assumptions you make. Calculate the total work of this expansion. If this expansion were reversible, what would the value be?
The following questions pertain to the magnitude of the x-component of the speed(absolute value of the velocity) cx=|vx| of atoms in a gas, whose probability distriubution has the form P(cx)= ae^-bc2/x. Write down the integral you would need to eva..
If the internal ph of muscle cell is 6.80, what is the HPO4^2-/H2PO4^- ratio in this cell. the values are pk1=2.12, pk2=7.21, and pk3=12.32 for phosphoric acid, h3po4.
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