What is the difference between docosahexaenoate (DHA) and 19,20-dihydroxydocosapentaenoate (19,20-DHDP)? Only DHA is a polyunsat urated fatty acid. DHA has a higher melting point than 19,20-DHDP. 19,20-DHDP is more polar than DHA. Only DHA is a an ω ω -3 fatty acid.
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Explanation:
The correct answer is 19, 20 DHDP is more polar than DHA . This is as a result of the presence of two hydroxyl groups.
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4.1 h = 14760 s <span>t 1/2 = ln 2 / k </span> <span>k = rate reaction = 4.97 x 10^-5 </span> <span>ln 0.045 / 0.36 = - 4.97 x 10^-5 t </span> <span>2.08 = 4.97 x 10^-5 t </span> <span>t = 41839.9 s = 11 h 37 min 19 s</span>
There chemical reactions that can realise or absorb gas to the atmosphere. This means it is harder or impossible to measure it with normal weighing devices and normal taring equipment. As a principal in chemical reactions we have conservation of mass.
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Answer:
Two moles of hydrogen gas combine with one mole of oxygen gas to produce two moles of water.
Explanation:
This is the required amount of each element to synthesize water. The equation has been balanced using coefficients.