Which electrons participate in chemical bonding? a. core electrons b. valence electrons c. the innermost electrons d. any electrons

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity