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Haydn’s Paris Symphonies were commissioned

Who made Elizabeth the “poppet”?

A wordless melody on the vowel “ah” is an example of a technique called

Which of the following refers to “serious,” or tragic, Italian opera?

List the names and dimensions of three of the classical knife cuts covered thus far.

Beethoven’s early symphonies

Puccini’s opera Madame Butterfly, with its Japanese melodies and pentatonic and whole-tone scales, is an example of exoticism.

What type of reaction does the following picture represent?  

Silicon (Si) is used in the fabrication of electronic components and computers. It is prepared by the decomposition of silane (SiH4). The balanced reaction is as follows:            SiH4  →  Si  +  2H2 What is the mass of SiH4 needed to prepare 0.2173 g Si? https://www.sciencegeek.net/tables/Electronegativity.pdf 

Which of the following describes the genre of “étude” during the nineteenth century?