15. Which chemical equation below is not balanced? O 3 MgSO4 + 2 Na3PO4 + Mg:(PO4), + 3 Na2SO4
O C6H12O6 + 6 0, → 6 C0, + 6 H2O
HBr + AgNO3 → HNO3 + AgBr
2 NaOH + HNO. → NaNO: + 2 H20

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∘

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?