Know 24,0g calcium fire 20 9,14kcal ; 142g phosphor chas toa 74kcal; 16 8G Calcium Oxide works with 142g De nthophore Pentaoxide radiant 160.5k cal (thermal effect in the conditio n of the condition). Calculate the  standard of calcium phosphate cryst al? 

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.