Identify the reaction type: Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g)
O synthesis
O decomposition
O single replacement

double replacement (or neutralization)
combustion

Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What energy is it when you flip on a switch on a lamp