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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Dynamic and compassionate mental health professional with extensive experience in providing individualized care for diverse mental health conditions.
Which of the following are examples of a change of condition? A. Unusually aggressive behavior B. 5-pound weight gain or loss in 3 days
Kiara took her 12-month-old daughter to a birthday party. While at the party Kiara seemed to be really in sync with her daughter.
Marjorie took her 15-month-old son to Chuck E Cheese restaurant. Marjorie's son seemed to be overwhlemed by all the lights and noise in the restaurant
A woman with severe dementia has difficulty recalling specific words on vocabulary test difficulty producing words difficulty with recall of words
Explain why you think this intervention is enough to address the problem's causes with rationale.
What is Confirmation Bias? Group of answer choices When you ignore new information when it doesn't support or agree with your existing beliefs