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when 144g of carbon were burned in the presence of 551g of oxygen 167g of oxygen remained unreacted what mass of
classify each reaction 33 na2co3s sio2s rarr na2sio3l co2g 34 2 mgno32s rarr 2 mgno22s o2g 35 3 hno2aq rarr 2 nog
1write the balanced net ionic equation for the reaction between mno4- ion and fe2 ion in acid solution i do not
how do you find the remaining percentage of a sample knowing only the decay
ps31 in the boxes below diagram the specific system as viewed at the particulate level in the space provided be sure
a 781g sample of hcn contains 0289g of h and 405g of n find the mass of carbon in a sample of hcn with a mass of 368g
how would you separate p-hydroxy benzoic acid from 3-amino propanoic
think an event with space-time coordinates t20s x25108 ms relative to frame s discover the value gamma that will be
discover the momentum and speed of an electron whose kinetic energy equals its rest energy the mass of the electron is
the force constant of a spring is 800 nm and the unscratched length is 063 m a 46 kg block is suspended from the spring
a compute the resistance of an automobile jumper cable suppose that the length of the jumper cables is 25 m also
light of wavelength 605 nm is incident on a narrow slit the angle among the first diffraction minimum on one side of
an air conditioner connected to a 120 v rms ac line is equivalent to a 110 resistance and a 150 inductive reactance in
-what is the total force on the bottom of a swimming pool130 m with 58 m whose uniform depth is 19 m-what is the
a car with an initial velocity of 35 ms coasts with the engine off and the transmission in neutral if the combined
a circular loop of wire of radius r 032 m and resistance r25ohms is placed in a uniform magnetic field that is
a 054 kg object connected to a light spring with a force constant of 182nm oscillates on a frictionless horizontal
an object is placed 20 cm to the left of a converging lens of focal length 27 cm a diverging lens of focal length 10 cm
a cab driver picks up a customer and delivers her 180 km away on a straight route the driver accelerates to the speed
an energy of 01 j is stored in the metal ball on top of a van de graaff generatornbsp a spark carrying 1 micro coulomb
a straight wire length 80 m is bent to form a square if the wire carries a current of 20a what is the magnitude of the
a particle is constrained to move without friction on a circular wire rotating by constant angular speed omega about a
a 200-kg object is attached to a spring and placed on a horizontal smooth surfacea horizontal force of 200 n is needed
a ray of light is incident from the air onto a flat diamond surface at an angle of 35 degrees if the refractive index
figure below shows two circular regions r1 and r2 with radii r1 219 cm and r2 310 cm in r1 there is a uniform