Chemistry, 27.02.2021 21:40 darrell1168
The pH of blood at body temperature 37 C is 7.35-7,45. This value represents a slightly alkaline solution relative to neutral water. The pH of stomach is between 1.5- 3.5. What do these values represent? Calculate the estimated concentration of hydrogen ions in these systems?
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Chemistry, 22.06.2019 10:30
What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
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Chemistry, 22.06.2019 15:10
The ozone molecule o3 has a permanent dipole moment of 1.8×10−30 cm. although the molecule is very slightly bent-which is why it has a dipole moment-it can be modeled as a uniform rod of length 2.5×10−10 m with the dipole moment perpendicular to the axis of the rod. suppose an ozone molecule is in a 8000 n/c uniform electric field. in equilibrium, the dipole moment is aligned with the electric field. but if the molecule is rotated by a small angle and released, it will oscillate back and forth in simple harmonic motion.what is the frequency f of oscillation?
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The pH of blood at body temperature 37 C is 7.35-7,45. This value represents a slightly alkaline sol...
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