Which of the following equations is balanced for charge and mass? a. s(s) + 2h+ h2s(g) + 2e– b. s(s) + 2h+ + 2e– h2s(g) c. s(s) + 2e- h2s(g) d. s(s) + 2h+ h2s(g)

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