What is the molecular formula of the hydrocarbon
The analysis of a hydrocarbon revealed that it was 85.6281% C and 14.3719% H by mass. When 2.55 g of the gas was stored in a 2.5 L flask at 127.276C, it exerted a pressure of 454 Torr. What is the molecular formula of the hydrocarbon?
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A loudspeaker of mass 21.0 is suspended a distance of = 2.20 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30 .
Discuss in detail Aristotle's understanding of happiness, politics, virtue/excellence, proper upbringing, habit, the mean, weakness of well, and pleasure.
If the reaction N2(g) + 3H2(g) ! 2NH3(g) is carried out at constant temperature and pressure, how much H2 is required to react with 6.4 L liters of N2?
When an 89.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 1.80 x 103 J. By how much does the potential energy of a 18.0-kg child increase when the child climbs a normal
Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
What reform suggestions does Petersillia offer to the parole and reentry system? Which are likely to occur and which ones are not likely to be implemented?
For the reaction 2 HCl + Na2CO3 ! 2 NaCl + H2O + CO2 179.2& ; liters of CO2 is collected at STP. How many moles of NaCl are also formed?
A 2.0 x 10^3 car starts from rest at the top of a driveway 5.0 meters long that slopes at 20.0 degrees with the horizontal. If an average force of 4.0 x 10^3 N impedes the motion, what is the speed of the car at the bottom of the driveway?
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Describe the instructional organization and its relationship to differentiated instruction.
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A student in the classroom has tested positive for COVID and has been asked to quarantine for two weeks. The student tested positive again
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