What is the potential of a cell made up of zn / zn2+ and cu / cu2+ half-cells at 25°c if [zn2+] = 0.11 m and [cu2+] = 0.91 m ?

What is the name of this hydrocarbon?

What information does a complete ionic equation give that the balanced equation doesn’t show?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?