) CaC2(s) + 2H2O(l) à C2H2(g) + Ca(OH)2(aq) If 3.20 moles of CaC2 are consumed in this reaction, how many particles of H2O are needed? A - 3.85x10^24 particles
B - 4.85x10^24 particles
C- 3.0x10^24 particles
D- 5.0x10^24 particles

What were the success and failures that came to boyle’s excitements?

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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