For the chemical reaction c2h6--> c2h4+ h2+ 137kj, the chemical energy of the
a reactant...
Physics, 25.10.2019 09:43 lanettejohnson355
For the chemical reaction c2h6--> c2h4+ h2+ 137kj, the chemical energy of the
a reactant is greater than the chemical energy of the products b. reactant and the chemical energy of the product are equal. c. reaction cannot be calculated. d. products is greater than the chemical energy of the reactant.
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Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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It may seem strange that the selected velocity does not depend on either the mass or the charge of the particle. (for example, would the velocity of a neutral particle be selected by passage through this device? ) the explanation of this is that the mass and the charge control the resolution of the device--particles with the wrong velocity will be accelerated away from the straight line and will not pass through the exit slit. if the acceleration depends strongly on the velocity, then particles with just slightly wrong velocities will feel a substantial transverse acceleration and will not exit the selector. because the acc
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