In the reaction, 2 al (s) + 3 sn+2 (aq) arrow 2 al+3 (aq) + 3 sn (s), the reducing agent is:
a. the al
b. the sn+2
c. the al+3
d. the sn

Asap at one point in history people could measure temperature by looking at the volume of a sample of gas. suppose a sample in a gas thermometer has a volume of 135ml at 11.0°c. indicate what temperature would correspond to each of the following volumes: 113 ml, and 155 ml.