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Question: A gas with a molar mass of 4 and a specific heat ratio of 1.67 is expanded from a large reservoir in which the pressure and temperature are 600 kPa and 35°C, respectively, through a nozzle system until the Mach number is 1.5. A normal shock wave then occurs in the flow. Find the pressure and velocity behind the shock wave.
Calculate Delta H kJ/mol NH4NO3 for the solution process. NH4NO3 ( s) yields NH4 (there is a plus sign above the four)(aq) + ^ + NO3(negative sign above the three) (aq)
Draw a saturated and unsaturated hydrocarbon with 4 carbons in length and give their IUPAC
why does ch3-ch2-o-h have a higher boiling point than ch3-o-ch3 even though they have the same molar
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.60g of sodium carbonate is mixed with one containing 5.14 of silver nitrate.
Consider a sample of 3.5g of water, which has an equilibrium vapor pressure of 23.8mmHg at 25.0 degC. IF this sample is placed into a 6.00L flask, what mass of liquid water will remain when equilibrium is established
Cyanogen is a gas which encloses 46.2% C and 53.8% N by mass. At a temperature of 25C as well as a pressure of 750 mm Hg, 1.50 g of cyanogen occupies 0.714 L. Explain what is the molecular formula of cyanogen
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C4H10O2: ? 1.36 (3H, d, J = 5.5 Hz); ? 3.32
A gas is heated from 269 K to 283 K while its volume is increased from 21.5 L to 37.0 L by moving a large piston within a cylinder. If the original pressure was 1.10 atm, what would be the final pressure?
one potential way to reduce the amount of co2 added to the atmosphere is to store it as a compressed gas in underground formations.
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
200 mL sample of lake water is contaminated with a single monoprotic acid. titrating this sample with a .005 M NaOH required 7.3 mL of the NaOH solution to reach the endpoint. what is the concentration of H in the lake
Testing the run off water of PNA (polynuclear aromatic compounds). Which analytical method you will use in each case. Explain your choice
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