Test Submissions - CHEM 120 Knowledge Survey (pre-term) Yaotian Hou (username: y27hou) Attempt 1 Written: Jan 16, 2017 11:19 AM - Jan 16, 2017 11:28 AM Submission View Released: Sep 24, 2016 8:00 AM Thank you for completing the CHEM 120 knowledge survey! Query 1 0 / 1 point What is the maximum mass of nitric oxide (NO) that can be obtained from a reaction mixture containing 7.00 g NH3 and 18.0 g O2? The balanced chemical equation for the reaction is given below. 4 NH3 + 5 O2 → 4 NO + 6 H2O Molar masses (in g mol−1): NH3, 17.034 O2, 32.00 NO, 30.01 H2O, 18.016 A) 7.65 g B) 8.44 g C) 12.3 g D) 13.5 g E) 17.0 g Query 2 0 / 1 point Please rate your confidence in answering the previous Query by selecting the appropriate response. A) I am confident that I answered the Query correctly. B) I think that I could have answered the Query correctly if I had more time. C) I did not know how to solve the Query.
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