Which of the following is best described as a synthesis reaction?
a. 2hgo → 2hg + o2
b. agno3 + nacl → agcl + nano3
c. hcl + nahco3 → h2o + co2 + nacl
d. 2na + cl2 → 2nacl

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

How can you increase the strength of an electromagnet?