NO SCAMMERS. NEED ACTUAL HELP Which equation is correctly balanced for the oxidation of boron metal?
2B + 302 → 2B203
2B+302B203
4B + 202—2B203
4B + 302—2B203

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

What is the amount of energy for a photon that has a 125 cm wavelength

Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time