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Molecular hydrogen and molecular oxygen are burned in rockets (this was the fuel for the Space Shuttle's main engines). This reaction results in water being produced (in the form of super-heated steam) and an enormous amount of energy. The reaction is shown below.
2 H2 + O2 → 2 H2O
How many moles of H2 is 6.00 g of H2? How many moles of water are produced when 6.00 g of H2 react? How many grams of water are produced when 6.00 g of H2 react?
What compression ratio Vmax/Vmin will raise the air temperature from 19.0oC to 1030oC in an adiabatic process? What pressure ratio pmax/pmin does this process have
A sound wave travels twice as far in neon (Ne) as it does in krypton (Kr) in the same interval. Determine the temperature of the neon
A 12.5-kg block of ice has a temperature of -18.4 °C. The pressure is one atmosphere. The block absorbs 7.62 x 106J of heat. What is the final temperature in degrees Celsius of the liquid water?
A moving sidewalk 95 m in length carries passengers at a speed of .53 m/s. One passenger has a normal walking speed of 1.24 m/s, If she walks at her normal walking speed on the sidewalk, how long does it take to travel the fill length
A transverse harmonic wave travels on a rope according to the following expression: y(x,t) = 0.17sin(2.0x + 17.5t), What is the average speed of the rope during one complete oscillation of the rope
What benefits does one provide over the other and what pitfalls must the professional be aware of?
Find the final velocities of (a) the 3.70-kg ball and of (b) the 7.30-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
UCBXPhys1Exam2.tstUCBXPhys1Exam2.tstUCBXPhys1Exam2.tstUCBXPhys1Exam2.tstA person weighing 900 N is standing on snowshoes. Each snowshoe has area 2500 cm2 and has negligible weight, so the person's weight is distributed over a total area of 5000 cm2 ...
A parallel-plate capacitor in air has a plate separation of 1.59 cm and a plate area of 25.0 cm2. obtain the charge on the plates before and after immersion
An object is released from rest when it is a height habove the surface of a planet of mass M and radiusR. What is the speed of the object just before striking the surface of the planet? Neglect any air resistance.
What is the work done on the gas in Joules.
A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1,530.0 m/s
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