Determine the empirical formula from the percent composition for a substance that has 92.24% of C and 7.76% of H

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Gymnast always perform on padded mats. how does the mats protect the gymnast

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: