Which of the following reactions is balanced? A. Sn2+ + Fe 3+ -->Sn4+ + Fe2+
B. 2Sn2+ + Fe3+ --> 2Sn4+ + Fe2+
C. Sn2+ + 2Fe3+ -->Sn4+ + 2Fe2+
D. Sn2+ + 2Fe3+-->Sn4+ +Fe2+

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

May someone me with these science questions

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates