Heat transfer by radiation a) is not possible from human beings to their environment. b) does not occur from light bulbs - they are too bright. c) does not need any matter between the heat source and the heated object. d) none of the above

Graded assignment lab report answer the questions below. 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.