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140 moles of gas are in a 800 liter tank at 210 celcius calculate the difference in pressure between methane and an
the electric potential difference between the ground and a cloud in a particular thunderstorm is 93 x 109 v what is the
1 a wire has a cross-sectional area of 55times10-6 m2 in a time of 37 s 58 c of charge flows through it what is the
why is the h-o-h bond angle in a water molecule h2o smaller than the h-c-h bond angles in methane
in the ground state of hydrogen theuncertainty in the position of the electron is roughly 010nm if the speed of the
describe the reaction as a balanced chemical equation that occurs when methane which is a natural gas ch4 is burned in
a charge q is uniformly distributed around a thin plastic ring with radius r lying in a yz plane with the ring center
a hydraulic lift has pistons with diameters 785 cm and 365 cmrespectively if a force of 825 n is exerted at the input
the charge on the phosphate ion is 3- po43- the formula for phosphate of chromium is crpo4 what is the charge on the
a 45 kg woman stands up in a 60 kg canoe of length 5 metersshe walks from a point 1 meter from one end to a point 1
an 844 kg man is standing at the rear of a 425 kg iceboatthat is moving at 416 ms across the ice that may be considered
a process takes place at constant pressure the volume changes and the temperature increases by 870oc the heat capacity
a block of wood weighs 500 n whenweighed in air a sinker is attached to the block and the weightof the wood-sinker
a sample of poylethylene is found to have an average molecular weight of 32x106 estimate the root-mean-square
a walkway suspended across a hotellobby is supported at numerous points along its edges by a verticalcable above each
a circuit contains six 219 o lamps with 60-w bulbs and a 94 o heater connected in parallel the voltage across the
evaluate reversibility of a process where an ideal monoatomic gas is first slowly compressed 10-fold by a gradually
an x-ray photon with a wavelength of 0110 nm scatters from a free electron at restthe scattered photon moves at an
a 430 kg box is sliding across the horizontal floor of an elevator the coefficient of kinetic friction between the box
consider n moles of an ideal monatomic gas placed in a vertical cylinder the top of the cylinder is closed by a piston
1500 cm3 of ideal gas at stp is cooled to -20o c and put into a 1000 cm3 container what is the final gauge pressurea 11
traveling at a speed of 195 ms the driver of an automobile suddenly locks the wheels by slamming on the brakes the
a rocket with inital mass 1000 kg adjusts its thrust byvarying the rate at which mass is ejected the ejection
a person notices a mild shock if the current along a path through the thumb and index finger exceeds 80 mua find the
a 9 kg object iinitially at rest in free space explodes intothree segments of equal mass two of these segments are