Magnesium was reacted with acid to give a salt and hydrogen. The experiment was carried out once with dilute acid and then repeated with concentrated acid. Look at the
graph. Is graph 1 the reaction with the dilute or the concentrated acid?

What are the two largest greenhouse gases

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?

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.