Oxygen replaced by helium at the same temperature
A tank contains 29.0 kg of O2 gas at a gauge pressure of 10.0 atm.
If the oxygen is replaced by helium at the same temperature, how many kilograms of the latter will be needed to produce a gauge pressure of 7.50 atm?
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The activation energy Ea is 128.2 kJ/mol for a reaction. Calculate the fraction of collisions that would be energetic enough to react at 346.0 oC.
A 10.0 kg block of ice is at a temperature of -10.0oC. The block absorbs 4.11x106 J of heat. As a result the block of ice undergoes (a) an increase in temperature, (b) followed by a change in phase and (c) then another increase in temperature. wha
Indicate the percentage change of W's when pressure angle increased to 25 degree or reduced to 14.5 degree? What is your conclusion?
A 1.505 g sample of unknown was dissolved in 50 mL of benzene(density = 0.879 g/mL) Solution had melting point of 4.70 degree C.The freezing point of pure benzene is 5.53 degree C and the freezing point depression constant, Kf , is 5.12 degreeC/m.
Use the electron mass 9*10^-31 kg and h = 10^-34 Js and thelength of the edge of the square to determine the energy levels incm^-1 as a function of the two indicies nx andny for the particle in a square
What is the fundamental theoretical difference affecting overall thermal efficiency between a carnot cycle process and an ideal cycle process (such as a Diesel or Otto cycle)?
A common laboratory reaction is the neutralization of an acid with a base. When 60.0 mL of 0.25 M nitric at 24.5 degree C is added to 60.0 mL of 0.275 M NaOH at 24.5 degree C in a coffee cup calorimeter, the temperature of the mixture rises to 30.
Using the relations between coordinates and unit vectors in Cartesian and cylindrical coordinates, compute the velocity components in cylindrical coordinates for a general vector V = Vx i + Vy j + Vz k. Use your results to transform V = V j.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult