Are these balanced or unbalanced??? 10. KOH + HBr -> kBr + H2O
Balanced
Unbalanced

11.2KCI -> K+ Cl2
Balanced
Unbalanced

12. Zn + HCl -> ZnCl2 + H2*
Balanced
Unbalanced

13.2H2O -> 2H2 + O2 *
Balanced
Unbalanced

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

What is the subscript for oxygen in its molecular formula

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color