Which bases can deprotonate acetylene? the pka values of the conjugate acids are given in parentheses. select all that apply. ch3ch2s− (pka = 10.5) ch2═ch− (pka = 44) ch3nh− (pka = 40) ch3ch2o− (pka = 16)?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Which property of water causes water drops to bead on a freshly waxed car?