If a Sound Level Increases by 20 DB, the Intensity

question 19

Multiple Choice

If a sound level increases by 20 dB, the intensity increases by a factor of ______________.

• A) one thousand
• B) one hundred
• C) ten
• D) ten thousand

Determine the number of rings and elements of unsaturation in a compound based on its chemical formula and reactivity.

Draw the structural formula of alkenes from their IUPAC names or molecular formulas.

Understand the concept and identify the E/Z stereochemistry in alkenes.

Describe the principles behind the hydrogenation of alkenes, including the outcome of specific reactions.