7 Which of the following functional groups is present in an organic compound which gives bubbles on treatment with a saturated solution of NaHCO,? A Carboxyl group B. Carboalkoxyl group C. Carbonyl group D. Amino group​

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?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.