Escoge 5 de las siguientes ecuaciones y balancéalas empleando el método de tanteo o ensayo error

1. Zn + HCl → ZnCl2 + H2

2. HCl + Ca(OH)2 → CaCl2 + H2O

3. Al2O3 + H2SO4 → Al2(SO4)3 + H2O

4. P + O2 → P2O3

5. Na + H2O →NaOH + H2

6. P2O5 + H2O → H3PO4

7. KClO3 → KCl + O2

8. Fe + HCl → FeCl3 + H2

9. NaOH + CuCl2 → Cu(OH)2 + NaCl

10. Cu + HNO3 → Cu(NO3)2 + H2O + NO2​

What is the mass of 4 molecules of co2

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins. co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)