6.) is a disadvantage of local storage since it can be very expensive. 8.) is a disadvantage of local storage since its storage capacity cannot be expanded.
9.) Cloud storage can only be used with access to the .
10.) Recovery is an advantage of cloud storage in the event of a catastrophe.

What is a monomer? how do they form a ploymer from the view point of chemical bonding?

Apiping systems consists of 6 m of 6-std type k and 12 m of 4-std type k, both drawn copper tubing. the system conveys ethylene glycol at a rate of 0.013 m3/s. the pressure drop across the system is to be calculated. there are two 90° elbows in the 6-in pipe, a reduction from the 6-in pipe to the 4-in pipe and four 90° elbows in the 4-in pipe. all fittings are soldered (same as flanged) and regular. the inlet and outlet of the system are at the same height.

Determine the stoichiometric and actual air-fuel ratios and the mole flue gas composition for combustion with 15% excess air for raw indiana, pennsylvania raw coal.