Which of the following substances is considered to be an acid? a. hcl b. koh c. naoh d. ca(oh)2

Stage in which a typical star has completely stopped fusion

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

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?