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Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t

Which of the following root words means "small"?

For each of the following quotations, identify the work in which it is found by writing the corresponding letter on the blank line. choices may be used more than once. (a) wordsworth (b) keats (c) tennyson (d) whitman (e) dickinson 20. "if this be but a vain belief ,yet,oh! how oft- in darkness and amid the many shapes of joyless daylight; " 21. "or like stout cortez when with eagle eyes he stared at the pacific - and all his men looked at each other with a wild surmise" 22. "there lies the port; the vessel puffs her sail; there gloom the dark board seas. my mariners, souls that have toiled, a wrought, and thought with me" 23. "i speak the pass-word primeval, i give that sign of democracy, by god! i will accept nothing which all cannot have their counterpoint of on the same terms." 24. "we slowly drove he knew no haste and i had put away my labor and leisure too, for his civility" 25. "myself moving forward then and now and forever, gathering and showing more always and with velocity, infinite and omnigenous, and the like of these among them, not too exclusive toward the reachers of my remembrancer," 26. "i cannot rest from travel; i will drink life to the lees. all times i have enjoyed greatly, have suffered greatly, both with those that love me and along," 27. "what mad pursuit what struggle to escape? what pipes and timbrels? what wild ecstasy? "