Which equation has both a liquid and a gas as products?
o 2hgo(s) → 2hg(1) + o2(g)
2mg(s) + o2(9) ► 2mgo(s)
2kcio3(s) → 2kci(s) + 302(9)
mg(s) + 2hcl(aq) → h2(g) + mgcl2(aq)

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Which type of fossil does this image depict?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space