In a hydrogen fusion reaction two lighter hydrogen nuclei merge to form a heavier more stable helium nucleus. the energy that is released in a hydrogen fusion reaction is

How many grams of aluminum will there be in 98g of al2o3?

Can someone me with 3 and 4 plz. this is for masteries test.

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.