Which half reaction occurs at the cathode in this cell? 2003-02 + 2002 +4e-
O2 + 2002 + 4e
2003-
2H2 +2003--2H2O + 2002 +4e-
2H2O + 2002 +42 —2H2 + 2003-

Which best describes why nh4+ can form an ionic bond with ci-?

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.