What does an electromagnetic spectrum refer to?
O A. The energy of a photon emitted when an electron changes energy
levels
B. An angled piece of glass that splits up light into different
wavelengths
O C. A range of wavelengths of light that increases from one end to the
other
O D. The relationship between energy, wavelength, and frequency of
light
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At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?
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A) equal lines b) parallel lines c) perpendicular lines d) none of the above
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Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time
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What does an electromagnetic spectrum refer to?
O A. The energy of a photon emitted when an electro...
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