Asolution of cough syrup contains 5.00% active ingredient by volume. if the total volume of the bottle is 41.0 ml , how many milliliters of active ingredient are in the bottle?

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

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

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead