Zn + 2 HCl → ZnCl2 + H2 (atomic masses, Zn=65, H=1, Cl=35.5)

It is calculated that if 30 g of HCl is reacted with Zn and 0.822 g of H2 is produced (the theoretical yield), but the actual yield is 0.698 g of H2 that is produced in the lab. What is the % yield?

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

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

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.