In an outdoor swimming pool, the amount of water is 100000kg. a) If the temperature rises from 150C to 350C, how much energy is used by a heater? b) If the heater is on for 45 mins, how much power is used?
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14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

What are the 4 phases of matter in order of increasing engery content?