The temperature of a 4.183 L sample of NO2 is changed, causing a change in pressure from 445.66 kPa to 385.29 kPa. If its new temperature is 289.78 °C and its new volume is 32.553 L, what was its original temperature in degrees Celsius? *

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.

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What causes most sediment to wash or fall into a river