Which is an example of a voltaic cell?

a battery

electrolysis of water

electroplating of chrome

a rechargeable battery

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents