2N ethereal phenylmagiiesium bromide, giving a deep purple solution and a gummy black precipitate that dis- solved when the mixture was kept overnight.
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
Pitch Switcher! Page 1 of 2 Sounds can be loud like a train going by or quiet like leaves rustling in a light breeze. ... Page 2. Pitch Shifter! Page 2 of 2 ...
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
... Always: Work with an adult. ... For more detailed information on safety go to www.acs.org/education and click on Safety Guidelines. ...
