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Which formula represents a nonpolar molecule? (1) CH4 (3) H2O (2) HCl (4) NH3
answered
Dec 10, 2016
Chemistry
high-school
5
votes
81.9k
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Reuben has scores of 70,75,83, and 80 on four spanish quizzes. what score must he get on the next quiz to achieve an average of at least 80?
answered
Sep 19, 2016
Mathematics
middle-school
4
votes
181k
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