In a butane lighter, 9.0g of butane combines with 32.2g of oxygen to form 27.2g carbon dioxide and how many grams or water?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius