A. Radiowave B. Y-ray C. x-ray D. Microwave
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A. Speed B. Frequency C. Intensity D. Amplitude
A. An electric field only B. A magnetic field only C. Both electric and magnetic fields D. No such field at all
A. A charge at rest B. A moving charge C. An accelerating charge D. None of these
A. Wavelength B. Frequency C. Intensity D. Medium in which it travels
a. temperature b. pressure c. temperature and pressure d. molar mass
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a. diffusion b. osmosis c. distillation d. effusion
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Chlorine is produced by the reaction 2HCl(g) → H2(g) + Cl2(g). How many grams of HCl (36.5 g/mol) must be used to produce 10 L of chlorine at STP? a. 15.8 g b. 30.2 g c. 32.6 g d. 36.5 ...
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In the reaction 2C + O2(g) → 2CO(g), what is the volume ratio of O2 to CO? a. 1:1 b. 2:1 c. 1:2 d. 2:2
a. identity of the gas. b. molar mass of the gas. c. condensation point of the gas. d. rate of diffusion of the gas.