Iron pyrite (fes2) is the form in which much of the sulfur exists in coal. in the combustion of coal, oxygen reacts with iron pyrite to produce iron(iii) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to acid rain. what mass of fe2o3 is produced from 84 l of oxygen at 3.41 atm and 148◦c with an excess of iron pyrite? answer in units of g.

Choose the description that best matches each word. write the correct letter in the blank. 1. ostinato a. large, extended composition for chorus and orchestra 2. atonality b. full orchestra 3. musicology c. festive, march-like opening to a play or “semi-opera” 4. concerto d. small group of solo instruments 5. minimalism e. music contrasting a full orchestra and solo instruments 6. art song f. music played under the action to influence the mood 7. strophic form g. a vocal song focusing on artistic expression 8. incidental h. each stanza of a poem is set to the same music 9. oratorio i. repeated musical pattern that provides unity to a piece 10. dissonance j. steady beat; simple harmonies; short, repetitive melody 11. concertino k. harsh, unstable sounding of pitches; harmonic tension 12. tutti l. all 12 tones of chromatic scale, no tonal center 13. entrada m. the historical and scientific study of music

In what way are innovations in technology and forms of goverment alike

Which of the following practices is not recommended during a time of water scarcity? a. increasing wastewater recycling b. prohibiting the consumption of bottled water c. raising fines for violating outdoor water restrictions d. improving monitoring and management of local aquifers e. utilizing media to promote awareness of best practices in water management