Which of the following equations is balanced correctly?
a.
3 h2o → h2 + 3 o2

b.
2 c3h3 + o2 → 2 co2 + h2o

c.
2 c2h2 + 5 o2 → 4 co2 + 2 h2o

d.
cl2 + 2 kbr → kcl + br2

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Rays from the sun are not considered matter true or false

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)