When 1.550 g of liquid hexane (c6h14) undergoes combustion in a bomb calorimeter, the temperature rises from 25.87∘c to 38.13∘c. find δerxn for the reaction in kj/mol hexane. the heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.73 kj/∘c. express your answer in kilojoules per mole to three significant figures.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Electrons are emitted

The answer is c - the principal of original lateral continuity. 

Density= mass/volume so 5.1 divided by 4.7 is  5.1 / 4.7 =1.08510638298round to the correct number of sig figs