Pick correclty what words in the boxes best matches the statement. When rocket fuel burns, it goes through a [chemical change/physical change], which means [new substances/no new substances] are formed.

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i. e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal