When 0.514 g of biphenyl (c12h10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 °c to 29.4 °
c. find ? erxn for the combustion of biphenyl in kj> mol biphenyl. the heat capacity of the bomb calorimeter, determined in a sep-arate experiment, is 5.86 kj> °c

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i