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Nitrogen gas enters a 0.110-m diameter pipe at 30.0°C, 2.70 atm, and 7.20 m/s. The pipe then rises 26.0 ft and then falls 75.0 ft. The nitrogen gas exits the pipe at 30.0°C and 1.50 atm. You ultimately would like to find ?Ek and ?Ep in the process. Assume N2 behaves ideally1.What is the volumetric flow rate of nitrogen gas into the pipe section?2.What is the mass flow rate into the pipe?
3.What is the average velocity of N2 leaving the pipe section?
4.What is the change in kinetic energy of the gas between the start and the end of the pipe section?
a solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. how many grams of
A certain weak acid, HA, with a Ka value of 5.61*10 raised to negative 6 is titrated with NaOH. A solution is made by mixing 7.00 mmol (millimoles) of HA and 1.00 mmol of strong base. What is the pH? I figured out the pH was 4.47
Draw orbital-filling diagrams with the atomic number as the first two non-zero digits of your GU ID number. (Z=ab, for number G000abcde) If the first two digits are greater than 66, divide by 2. If the first two digits are less than 25, multiply b..
With which of the metals Cu(s), Al(s), Ag(s), Fe(s) and Zn(s) is reaction with H+(aq) ions to produce H2(g) a spontaneous reaction. Select three oxidizing agents that are capable of oxidizing Cl-(aq) ions to Cl2(g)
Eventually, the water becomes saturated with respect to NaCl. Write a balanced chemical reaction illustrating the precipitation of NaCl and explain saturation
What is meant by enriched uranium? 1.Enriched uranium is an uranium-containing substance in which its natural amount of uranium-235 was increased.
Which equation gives a lower pressure. Why. What is the percentage difference of the van der Waals equation result from the ideal-gas equation result
A car is filled with 15.0 gal of gas and is driven 210 miles. How much gas is left if the car averages 24.1 mi/gal?
A half-cell containing which of the following metals would produce the greatest emf when it is coupled with a half-cell containing aluminum metal
calculate the minimum volume of 1.00M HCL required to react completely with 5.00g of Ca ?
Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β. Write down the secular determinant and calculate the π molecular orbital energy levels of ethene.
multiple choice questions in nuclear reactions.1. to make nuclear fission more efficient which device is used in a
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