Which energy profile best shows that the triangle Hf of H2S is -20.6 kJ/mol

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

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g