Rechargeable lithium-ion batteries and hydrogen fuel cells can be used to power electric cars.
Complete the balanced equation for the overall reaction in a hydrogen fuel cell
and state what type of reaction it is.

_H2+ _-> _H2O

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

What material does not melt at any temperature