B) Clasifica las siguientes reacciones químicas apareando con el número que le corresponda. 1- Síntesis NaOH + HCL → NaCL + H2O
2-Descomposición AgNO3 + KCL → KNO3 +AgCL 3- Doble descomposición 2Na +CL → 2NaCL
4- Desplazamiento FEO2 → FE + O2
5- Doble desplazamiento AgNO3 + HCL → AgCL + HNO3
6-Neutralizacion Mg + CuSo4 → MgSo4

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.