What mass of hydrogen was present in kilograms
If the Hindenburg held 2.3x10^5 meters cubed of hydrogen gas at 25degreees celsius and 1.0 atm, what mass of hydrogen was present inkilograms?
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A 230 V shunt motor, having an armature resistance of 0.05 ohms. A while running light at 1120 rpm. Determine the motor efficiency when the line current at a given load is 46 A.
At the familab accelerator in batavia, illinois, protons having momentum 5.00x 10^-16 kg.m/s are held in a circular orbit of radius 1.1km by an upword magnetic field. What is the magnitude of this field?
A gas cylinder filled with nitrogen at standard temperature andpressure has a mass of 37.289g. The same container filled withCO2 at STP has a mass of 37.440g. When filled withan unknown gas at STP, the container mass is 37.062g.
Determine the net work of the cycle in kJ and the heat transfer for process 2-3 in kJ. Is this a power cycle or a refrigeration cycle? Explain.
There is sufficient evidence to support the claim that the sample proportion of fireflies is less than 12 in ten thousand. There is sufficient evidence to support the claim that the true population proportion of all fireflies is less than 12 in ten
What amount of solid NaOH must be added to 1.0L of a .10 M H2CO3solution to produce a sol'n with [H+] = 3.2 x10^-11M? There is nosignificant volume change as the result of the addition of the solid?
An electron is initially at rest just outside a large copper surface that has a charge density of 1.01 x 10-6 C/m2. How far has the electron moved in 1.11 10-9 s if the field is uniform over this region? (Enter the magnitude only.)
What is the number of trials (n), probability of successes (p) and probability of failures (q), respectively? Find the probability that she returns at least 2 of the 10 serves from her opponent. Find the mean and standard deviation for the probabilit
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