I need help asappp I’ll give right answer brainliest

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

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?

Achemist tests new mixtures for paint samples and decides one mixture's stickiness makes it worthless. a scientist working in a nearby lab suggests a different use for this sticky mixture. which statement best describes this situation?