What happens when baking soda is mixed with vinegar

a new substance is formed
the substance stay the same
the baking soda stays the same but the vinegar changes form
the mixture turns from a liquid into a solid

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene