When 0.1523 g of liquid pentane (c_5 5 h_{12} 12 ) combusts in a bomb calorimeter, the temperature rises from 23.7^{\circ} ∘ c to 29.8 ^{\circ} ∘ c. what is \deltaδu_{rxn} rxn for the reaction in kj/mol pentane? the heat capacity of the bomb calorimeter is 5.23 kj/^{\circ} ∘ c?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Name the intersection of plane bpq and plane cpq.

How many moles of oxygen react with 12 moles of aluminum