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Question- A 2.4-cu ft cylinder of methane shows a pressure of 1600 psig at 90F. What is the mass in pounds of the ethane contained in the cylinder? Do not assume methane is an ideal gas
Hello Experts please provide me the detailed computation for above question
Calculate the final temperature of 204 mL of water initially at 35 degrees C upon absorption of 18kJ of heat.
a student in lab has 3.00 g of pure n2 in 0.541 g pure h2. the reaction happens following this equation n2g 3h2g rarr
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3 or 1.00 g/mL) as water, calculate the heat (in J) transferred to the surroundings, qsurr
What are two primary advantages of using nuclear power? Uranium reserves on our planet are 5 million metric tons.
Problem- The half life of iodine 131, also called radio iodine is 8.02 days. How much iodine-131 will remain after two half lives in a sample that initially contains 5.0g of the nuclei de. Please give detailed explanation.
what is the equilibrium concentration of the hydroxide ion (OH-) in the water? Please show formulas used, your answer with units and calculations as text below or an attached file.
a sample of methane of mass 4.5 g (4.5g(1mol/16.04g)=.2804mol) occupies 12.7 L at 310K. a) Calculate work done when the gas expands isothermally (delta T=0) against a constant external.
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. calculate the
Suppose the equilibrium constant Kc for the reaction below is 1.70x10-1 define what will be the equilibrium pressure of NO if the partial pressure of all three are all 3.15 x 10-3 atm
Define how much heat is absorbed if 55 grams of sweat is evaporated from someone's skin Hvap for water at body temperature is 2.41 kJ/g.
Silver ion reacts with excess CN- to form a colorless complex ion, Ag(CN-)2 , which has a formation constant Kf=2*10^20. Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 1.8×10-3M AgNO3 and 0.20M NaCN
At saturation, 3.0 x 10-9 moles of AlPO4 have dissolved in 2 L of water. What is Ksp for AlPO4 at this temperature?
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