1. Reaction that releases heat.
Chemistry, 05.05.2020 03:08 imorn20731
Match each item with the correct description.
1. Reaction that releases heat.
2. Flow of electrons through a material toward a positive charge.
3. Build up of electrons in a material.
4. Part of the ear is responsible for capturing sound waves.
5. Part of the sound wave where the molecules are pressed closely together.
Exothermic
Static electricity
Outer ear
Compression
Current electricity
Please help ASAP
Answers: 2
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For questions 1 and 2, consider the following experimental data. hydrogen emission lines were detected at the following wavelengths (in nm): 121.6102.697.395.093.8question 1use the electromagnetic radiation classifications below and figure 1-1 in the introductory information for this lab (in the lab manual) to determine the nf value for the experimental data provided? wavelength, ? (nm) 650 700 550 600 400 450 500 visible spectrum wavelength, ? (m) 11 10 3 10 10 10 8 10 5 10 10 -10 10 9 10 10 10 10 -12 10 microwave radio infrared x-ray ultraviolet gamma 1020 1019 1018 1 1016 015 1014 01 12 109108 frequency, v (hz)a.1b. 2c. 3d. 4e. 5question 2using the data for the emission line with the longest wavelength, the known value of nf (from question 1 in this prelab), and the value of ni (deduced from the ? and nf values) calculate the rydberg constant for hydrogen (rh) in units of m-1.a) 1.097 x 10-11 m-1b) 5.921 x 107 m-1c) 1.097 x 10-2 m-1d) 9.252 x 106 m-1e) 1.097 x 107 m-1
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Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)
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Match each item with the correct description.
1. Reaction that releases heat.
1. Reaction that releases heat.
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